In the activity where we
made a simple rocket out of
paper and tape, what was
the purpose of the paper?
A. To weigh down the rocket
B. To guide the rocket in the right direction
C. To become the walls of the rocket and give the
rocket structure and shape

Answer:

Im not really sure what a half life is, but two of them would be 5.0 hours

Answer:

5 hours

Explanation:

cause if half life is 2.5hours we just multiply it by two and get 5 hours

Protein hydrolysis leads to amino acids. These amino acids, when heated, will decompose into carbon dioxide and ammonia.

It is the goal of protein hydrolysis to dissolve peptide bonds and increase the amount of free amino acids and carboxyl groups. The resulting hydrolysate is easier to digest and more soluble (Contreras et al., 2019). We present the protein composition of six important agricultural leftovers. A single enzyme (such as trypsin) or a number of enzymes can hydrolyze proteins (e.g., a mixture of proteases known as Pronase, pepsin and prolidase). The protein source and level of hydrolysis influence the choice of enzymes.

which molecule could be hydrolysed into amino acids?

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Answer:

0.074

Explanation:

Explanation:

We have to find the overall charge of a substance that contains 15 protons, 18 electrons and 16 neutrons.

A proton is a subatomic particle that we can find in the nucleus of an atom. Its charge is +1.

An electron is a subatomic particle that we can find around the nucleus and its charge is opposite to the one of the proton. Its charge is -1.

A neutron is a subatomic particle that can be found in the nucleus and has no charge, so its charge is 0.

charge of p+ = +1 charge of n° = 0 charge of e- = -1

Our element has 15 protons, 18 electrons and 16 neutrons, the overall charge will be.

overall charge = 15 * (+1) + 18 * (-1) + 16 * (0)

overall charge = -3

Answer: d. -3

Answer:

Bacteria decompose rotting plant animal material.

Explanation:

Theres good bacteria, and theres bad bacteria. some helps, and some makes things worse. so really, in some sense all of the above.

Hope that helps.

Bacteria are necessary for life because they help produce oxygen for plants and animals. Similarly bacteria decompose rotting plant and animal materials.

Bacteria are a type of organism which are classified as a kingdom of life. Bacteria are prokaryotic microbes that can spread diseases in animals and plants.

Some of the bacteria are very useful in for our life. Some of them are autotrophs thus, produce energy and oxygen. For example cyanobacteria release oxygen which is used animals and plants to respire.

Bacteria are very essential to degrade wastes and remove them from the  surface. They consume the decomposing plants and animals and make them biodegradable. Some bacteria living in plants helps in nitrogen cycle as well.

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Answer:

The reactants of photosynthesis are Carbon Dioxide and water. The products are Glucose (or starch/sugar) and Oxygen. The autotroph uses light energy from the sun in order to complete this process. In the formula, the arrow is the light energy.

Explanation:

Answer:

I've inserted an image.

Explanation:

Hope this helps!

(:

Ramelteon is a hypnotic agent used in the treatment of insomnia. The molecular formula of this compound is C16H21NO2.

The molecular formula is the number of elements that are present in a compound. The molecular formula is calculated in terms of the empirical formula since the empirical formula is just the same or a multiple of the molecular formula.

The formula is :

              n=M/mass of the empirical formula

Where,

M is the molar mass and n is an integer.

For example, the molecular formula of Caffeine C8H10N4O2 and its empirical formula is C4H5N2O.

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Answer:

Electrons orbit the nucleus.

Answer:

electrons

Explanation:Atoms are made up of protons and neutrons located within the nucleus, with electrons in orbitals surrounding the nucleus.

An imbalance in the lonization energy leads to the distribution of charge in molecules. A polar molecule is one that has an unequal distribution of charges, causing it to have a positive end and a negative end.

In the case of an uneven distribution of charges, which molecules are present?

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In most crystalline metals, plastic deformations caused by loads greater than the yield stress are the result of dislocation motion.

The dislocation motion plays the important role in the plastic deformation. The plastic deformation occurs when a material will be stress. The resulting plastic deformation is the permanent change. this permanent change is cannot be recovered by the removing the the stress that caused the deformation. the plastic deformation caused by the dislocation motion. dislocation motion, atoms in metals to side readily.

Thus, the plastic deformations is caused by the dislocation motion. this plastic deformation is the permanent change and not be removed by the simply removing the stress.

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First of all, we must know the Avogadro's number:

1 mol of CO2 = 44.0 g (from the molar mass) = 6.02x10^23 molecules of CO2

How must we proceed?

44.0 g CO2 ------------6.02x10^23 molecules CO2

2.59 g CO2 ------------ x

x = 3.54x10^22 molecules CO2

Answer: 3.54x10^22 molecules CO2

Answer:

The chemical element with the lowest boiling point is Helium and the element with the highest boiling point is Tungsten.

The comparison between the results obtained from the ideal gas equation and the generalized compressibility chart can be made by calculating the relative difference: Relative Difference = |(V_ideal - V_chart) / V_ideal| * 100%

To determine the specific volume of nitrogen gas at 8 MPa and -132 °C, we'll use both the ideal gas equation and the generalized compressibility chart.

a) Using the ideal gas equation:

The ideal gas equation is given by:

PV = nRT

Where:

P is the pressure,

V is the specific volume,

n is the number of moles,

R is the ideal gas constant, and

T is the temperature in Kelvin.

First, we need to convert the pressure and temperature to Kelvin:

Pressure P = 8 MPa = 8 * 10^6 Pa

Temperature T = -132 °C = -132 + 273.15 K

Since we don't have the number of moles, we'll assume it to be 1 mole without loss of generality.

Now we can calculate the specific volume (V) using the ideal gas equation:

V = (nRT) / P

= (1 * R * T) / P

Substituting the values:

V = (1 * 8.314 J/(mol*K) * (-132 + 273.15) K) / (8 * 10^6 Pa)

≈ 0.04206 m^3/mol

Therefore, the specific volume of nitrogen gas at 8 MPa and -132 °C, according to the ideal gas equation, is approximately 0.04206 m^3/mol.

b) Using the generalized compressibility chart:

The generalized compressibility chart provides a way to determine the specific volume of a gas based on its reduced pressure (Pr) and reduced temperature (Tr). The reduced values are calculated by dividing the actual values by the critical values of the gas.

The critical temperature (Tc) for nitrogen is 126.2 K and the critical pressure (Pc) is 3.39 MPa.

To calculate the reduced values:

Pr = P / Pc = 8 MPa / 3.39 MPa

Tr = T / Tc = (-132 + 273.15) K / 126.2 K

Using the generalized compressibility chart, we can find the corresponding compressibility factor (Z) for the given Pr and Tr. The specific volume (v) can then be calculated using the equation:

v = Z * Vc / P

Where Vc is the molar volume at the critical point.

Based on the compressibility factor obtained from the chart, the specific volume can be calculated.

The comparison between the results obtained from the ideal gas equation and the generalized compressibility chart can be made by calculating the relative difference:

Relative Difference = |(V_ideal - V_chart) / V_ideal| * 100%

Substituting the values obtained from both methods, we can compare the results.

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Most energy transfer occurs in water when it convection takes place.The process of energy transfer in water is commonly known as heat transfer.

Convection, conduction, and radiation are the three mechanisms for heat transfer in fluids. They occur simultaneously in liquids, although convection usually dominates. Here are some more specifics on each type of heat transfer:Conduction:

Conduction is a mechanism of heat transfer that occurs when heat flows through a material. Water has low thermal conductivity, which means it's not a good conductor. As a result, heat conduction in water is typically slow.Convection: The flow of fluids is what characterizes convection.

Hot water, for example, rises while cold water sinks. Convection is caused by differences in fluid temperature and is the most common mode of heat transfer in liquids.Radiation: Radiation is the transfer of energy through space, and it is the most common form of heat transfer in the vacuum. When heat transfer occurs via radiation, it is unaffected by the surroundings' physical state.

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23. Correct option is b. Fatty acyl CoA desaturase is responsible for the synthesis of unsaturated fatty acid. 24. Correct option is a. Ketone bodies are water-soluble compounds produced as byproducts when fatty acids are broken down for energy in the liver and kidney.

Fatty acyl CoA desaturase is a vital enzyme that is responsible for the desaturation of fatty acyl CoA to unsaturated fatty acids. It helps to convert fatty acyl CoA molecules with long, saturated carbon chains into molecules with at least one double bond, producing fatty acids. The reaction is important for the biosynthesis of unsaturated fatty acids, which are important components of the cell membrane.

Saturated fatty acid is produced by enzymes such as stearoyl-CoA desaturase. Saturated fatty acids have no double bonds between the carbon atoms of the fatty acid chain, so they are saturated with hydrogen atoms. They are solid at room temperature and are abundant in dairy products, meats, and some oils.

Ketone bodies are water-soluble compounds produced as byproducts when fatty acids are broken down for energy in the liver and kidney. They are formed when the body uses fat instead of glucose as a source of energy, and they provide an alternative fuel for the brain and other organs. The liver can produce ketone bodies from fatty acids when glucose is scarce. This occurs during fasting or when a low-carbohydrate diet is followed. The three types of ketone bodies are acetone, acetoacetate, and β-hydroxybutyrate.

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            Precipitate definition (Entry 2 of 3) 1: a substance that has been physically or chemically isolated from a solution or suspension, typically in the form of an insoluble crystalline or amorphous solid. 2: a byproduct, outcome, or result of a procedure or action. adjective. precipitate.

Precipitation Illustration

        Silver chloride will solidify out of solution when silver nitrate and sodium chloride are combined in water. Silver chloride is the precipitate in this instance.

       Solids are created by the process of precipitation after two chemicals react. The downword () arrow symbol is used to represent the production of precipitate in this type of reaction.

      It happens between the reactant ions in the aqueous solutions that give rise to the material. Complete response: Precipitation includes the following: snow, sleet, hail, and rain.

       An excess of the light blue precipitate dissolves to create an inky transparent solution. A little amount of sodium hydroxide solution and subsequently an excessive amount are added to solution W. There develops an insoluble white precipitate.

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Taking into account the definition of dilution, a volume of KI solution of 0.125 L of concentration of 3 M would use to make 0.3L of KI solution of 1.25 M.

When it is desired to prepare a less concentrated solution from a more concentrated one, it is called dilution.

Dilution is the process of reducing the concentration of solute in solution, which is accomplished by simply adding more solvent to the solution at the same amount of solute.

In a dilution the amount of solute does not change, but as more solvent is added, the concentration of the solute decreases, as the volume (and weight) of the solution increases.

A dilution is mathematically expressed as:

Ci×Vi = Cf×Vf

where

In this case, you know:

Replacing in the definition of dilution:

3 M× Vi= 1.25 M× 0.3 L

Solving:

Vi= (1.25 M× 0.3 L)÷ 3 M

Vi= 0.125 L

In summary, a volume of KI solution of 0.125 L of concentration of 3 M would use to make 0.3L of KI solution of 1.25 M.

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Answer:

1.20 mole

Explanation:

1 Mole of Cu reacts to form  =  1 Mole of Hg

(1.20 mol × 1 mol) ÷ 1 mol

1.20 mol of Hg

Answer:

three

Explanation:

Every element in the boron group has three electrons in its outermost shell (so-called valence electrons), and for each element there is a sharp jump in the amount of energy required to remove the fourth electron, reflecting the fact that this electron must be removed from an inner shell.

Considering the definition of molar mass, the mass of one mole of C₃H₈ is 44 grams.

The molar mass of substance is a property defined as its mass per unit quantity of substance, in other words, molar mass is the amount of mass that a substance contains in one mole.

The molar mass of a compound (also called Mass or Molecular Weight) is the sum of the molar mass of the elements that form it (whose value is found in the periodic table) multiplied by the number of times they appear in the compound.

In this case, you know the molar mass of the elements is:

C= 12 g/mole

H= 1 g/mole

So, the molar mass of the compound C₃H₈ is calculated as:

C₃H₈ = 3 ×12 g/mole + 8 ×1 g/mole

Solving:

C₃H₈ = 44 g/mole

Finally, the mass of one mole of C₃H₈ is 44 grams.

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Answer:

A chemical formula tells us the number of atoms of each element in a compound.

Explanation:

Explanation:

formula shows

n=3 is the energy level to have a d sublevel because There is a s orbital for each primary energy level. There is a p sublevel in the second major energy and all higher energy levels.

Simple Units. Joule (Q) (J). This is the fundamental energy element of the measurement measurements, or the Worldwide System of Units in a later, more thorough version (SI). In the end, the meter, kilograms, and second are used to characterize it.

The wave nature of particles leads to quantized energy levels, which establish a correlation between a molecule's energy and wavelength. The resonant frequencies that have accurately characterized energies for a confined particle, such an atom in an atom, have the shape of a standing wave.

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Answer:

more energy is absorbed when the bonds in the reactants are broken

Answer:

If you're asking about what type of change then it would be a Physical change.

A physical change is defined as changes affecting the form of a chemical substance, but not its chemical composition.

The vertical jumps in the plot at the melting and boiling points represent the abrupt increase in entropy that occurs during phase transitions from solid to liquid and from liquid to gas.

The plot shows vertical jumps at the melting and boiling points because the transition from one phase to another involves a change in the entropy (S) of the substance. At the melting point, the substance undergoes a phase transition from solid to liquid, resulting in an abrupt increase in entropy. Similarly, at the boiling point, the substance transitions from liquid to gas, leading to another sudden increase in entropy.

The melting and boiling points represent phase transitions where the substance undergoes a change in its physical state. During these transitions, the arrangement and movement of particles change, leading to a significant alteration in entropy.

At the melting point, a solid substance absorbs energy to overcome intermolecular forces and transition into a liquid state. This transition involves an increase in entropy as the particles gain more freedom to move around, leading to a jump in the entropy value on the plot.

Similarly, at the boiling point, a liquid substance absorbs energy to overcome intermolecular forces and transition into a gaseous state. This transition also results in an increase in entropy as the particles gain even more freedom of movement and are dispersed in the gas phase, causing another vertical jump in the entropy value on the plot.

In summary, the vertical jumps in the plot at the melting and boiling points represent the abrupt increase in entropy that occurs during phase transitions from solid to liquid and from liquid to gas.


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Answer:

6.44 cups of ice

Explanation:

The ratio of the densities is simply the density of one divided by the density of the other: The density of ice to water is 0.92. Using the ratio, one can simply multiply the volume of the ice by 0.92, which is the conversion factor for the volume of ice to liquid water.

7 × 0.92 = 6.44

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