1000 g of sodium hydrogen carbonate is added to the reaction vessel. Temperature increased to 200 celsius. System is at equilibrium. what happens if 50 g is added

Answer:

2 nitrogen and oxygen+ nitrogen 2

C. If  blood pressure decreases, filtration in the kidneys decreases.

D. If more blood returns to the heart, the ventricles contract more forcefully to pump it out, and this raises blood pressure.

The maintenance of blood pressure is defined as the high use of sodium in your diet and the low use of potassium in your diet can cause hypertension. It is also important to use those foods which are free from fats. It is also important that we should use fruits, vegetables, and grains in excessive amounts for the maintenance of blood pressure and for a healthy diet.

High blood pressure 190/110 mm Hg can cause the main vital organs of the body like the brain, heart, and kidney too. There are three factors that contribute to blood pressure which are resistance, blood viscosity, and blood vessel diameter.

So we can conclude that blood pressure is the pressure of circulating blood against the walls of the blood vessels.

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Which of the following statements are true of the maintenance

of blood pressure (BP)? (Read carefully and select all of the correct statements.)

A. Norepinephrine stimulates vasoconstriction in skin, viscera, and skeletal muscles, all of which lower BP.

B. Aldosterone stimulates the reabsorption of Na+ ions by the kidneys, which lowers BP.

C. If BP decreases, filtration in the kidneys decreases.

D. If more blood returns to the heart, the ventricles contract more forcefully to pump it out, and this raises BP.

E. If BP decreases, the kidneys secrete the enzyme renin, which stimulates the secretion of epinephrine to prevent a further decrease.

F. The hormone ANP increases the excretion of K+ ions by the kidneys, which helps conserve water and raise BP.

G. The hormone ADH helps the kidneys conserve water and helps prevent a decrease in BP.

H. The elasticity of the large arteries helps decrease diastolic BP.

Tech A is correct who says that overheated catalysts cannot be restored and must be replaced.

In chemistry, a catalyst is any substance that speeds up a reaction without consuming itself. Many crucial biochemical reactions are catalysed by enzymes, which are substances that occur naturally.

The majority of solid catalysts are made of metals, or the oxides, sulphides, and halides of metals, as well as of the semimetallic elements silicon, aluminium, and boron. Solid catalysts are frequently dispersed in materials known as catalyst supports, while gaseous and liquid catalysts are typically used in their pure form or in combination with appropriate carriers or solvents.

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The volume of a bar of soap that has a density of 2.5 g/cm3 and a mass of 100 g is 40 cm ³. Therefore, option D is correct.

The mass of a substance per unit of volume is its density. A mechanically accepted measure is density. Density is most frequently represented by the symbol, however the Latin letter D may also be used.

The mass of a solid substance's unit volume. d = M/V, where d is density, M is mass, and V is volume, is the formula for density. Grams per cubic centimeter are a typical unit of measurement for density.

Density = m / V

volume = mass / density

= 100 / 2.5

= 40 cm³

Thus, option D is correct.

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Answer:

I would say C

Explanation: Hope this helped

Answer:

~1.5 g/cm3 and it does NOT float in water.

Explanation:

If you look at the graph, Object A weighs ~6 grams and is ~4 cm3 in volume

Density = Mass/Volume

So 6 grams/4 cm3 = 1.5 g/cm3

Water has a density of 1 g/cm3 and because Object A density is higher than that of water, it sinks.

:)

Answer:

3

Explanation:

1 mole of kclo3 has

1 mole of K

1 mole of Cl

3 moles of O

We have to determine the molecular formula of a compound. We know that its empirical formula is CH. To find the molecular formula we have to compare the molar mass of the empirical formula with the molar mass of the compound (65.09 g/mol).

Let's start determining the molar mass of the empirical formula. The atomic masses of C and H are:

C: 12.01 amu H: 1.01 amu

With those values we can calculate the molar mass of CH:

molar mass of CH = 1 * 12.01 + 1 * 1.01

molar mass of CH = 13.02 g/mol

If we divide the molar mass by the molar mass of the empirical formula we will get the relationship between them.

x = molar mass/molar mass of the empirical formula

x = 65.09 g/mol / (13.02 g/mol)

x = 5

Finally to get the molecular formula we have to multiply each element by that ratio.

Answer: C₅H₅ is the molecular formula.

The neutral organic product obtained from the reaction is propene (CH3CH=CH2)

The given reaction involves the dehydration of 1-propanol (CH3CH2CH2OH) in the presence of concentrated sulfuric acid (H2SO4) at 200°C. Dehydration is the removal of a water molecule from the alcohol compound. In this case, 1-propanol loses a water molecule to form propene (CH3CH=CH2), which is an alkene.

The neutral organic product resulting from this reaction is propene (CH3CH=CH2). The reaction occurs as the hydroxyl group (-OH) of 1-propanol is protonated by the acidic H2SO4, leading to the loss of a water molecule. This creates a double bond (C=C) between the second and third carbon atoms, resulting in the formation of propene.

Thus, the neutral organic product obtained from the reaction is propene (CH3CH=CH2).

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Answer

Electromagnetic waves.

Explanation: Waves that Move through matter only are called Mechanical waves. Waves that move through space only are called electromagnetic waves.

Answer:

The substance has a density of 2.636 grams per mililiter.

Explanation:

We must remember that density (\(\rho\)), measured in grams per mililiters, is the mass of the substance (\(m\)), measured in grams, divided by its volume (\(V\)), measured in mililiters. That is:

\(\rho = \frac{m}{V}\)

In addition, a kilogram equals 1000 grams and a liter equals 1000 mililiters. If we know that \(m = 1713.2\,g\) and \(V = 650\,mL\), then:

\(\rho = \frac{1713.2\,g}{650\,mL}\)

\(\rho = 2.636\,\frac{g}{mL}\)

The substance has a density of 2.636 grams per mililiter.

The correct abbreviation for each metric unit is:

Kilogram - kg, Milliliter - ml, Kilometer- Km, Meter- m, Millimeter - mm, Centimeter - cm, Gram - g,  Liter - L, and Milligram - mg.

The metric system can be described as a system of measurement that succeeded the decimalized system based on the meter.  Each of the fundamental dimensions can be expressed by a single base unit of measure.

For quantities derived from the base units of the system, units derived from the base units are used such as the square meter being the derived unit for the area, a quantity derived from length.

Metric units can be described as units based on the meter, gram, or second and decimal multiples or sub-multiples of these. The units of the International System of Units (SI). By extension, they involve units of electromagnetism from the CGS units and SI units systems.

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Answer:

The Moon's surface is dominated by igneous rocks. The lunar highlands are formed of anorthosite, an igneous rock predominantly of calcium-rich plagioclase feldspar

Explanation:

C. No Reaction will be the products when CuF2 reacts with Li

The positive and negative ions of two ionic compounds switch positions to generate two new compounds in a process known as a double replacement reaction. In aqueous solution, double-replacement reactions often take place between compounds.

In conclusion, you cannot balance a reaction by modifying or adding new components. To ensure that mass is preserved, the only thing you can do is alter the quantity of particles, or moles of particles, involved.

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Answer:

B. Granite

Explanation:

The continental crust is thicker, 30 km (20 mi) to 50 km (30 mi) thick. It is mostly made of less dense, more felsic rocks, such as granite.

(a) The precipitation reaction's balanced net ionic equation is: BaSO4(s) + Cu(NO3)2(aq) (aq) (b) The following equation can be used to compute the amount of moles of precipitate formed.

moles = mass divided by molecular weight BaSO4 has a molecular weight of 233.4 g/mol. Therefore, 0.00485 mol = 1.136 g / 233.4 g/mol (c) The following equation may be used to compute the molarity of the initial CuSO4 solution: molarity * volume = moles Because 20.0 mL of 0.200 M Ba(NO3)2 is added to 50.0 mL of CuSO4(aq) and the reaction completes, the moles of CuSO4 in the original solution equal the moles of precipitate generated. Therefore, 0.00485 mol = 1 mole molarity Equals moles divided by volume 0.0970 M = molarity = 0.00485 mol / (50.0 mL / 1000 L/mL) The original CuSO4 solution is no longer available. a molarity of 0.0970 M.

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Ideal gas law is valid only for ideal gas not for vanderwaal gas. Therefore, the volume of CO\(_2\) is 75.7l for the balanced equation CH\(_4\) + 2 O\(_2\) → ∆ CO\(_2\)+ 2 H\(_2\)O.

Ideal gas equation is the mathematical expression that relates pressure volume and temperature.

CH\(_4\) + 2 O\(_2\) → ∆ CO\(_2\)+ 2 H\(_2\)O

PV=nRT

where,

P = pressure =795 mm hg=1.04 atm

V= volume=?

moles of methane =   43.0 g / 16.04

                              =2.68moles

T =temperature = 358 K

R = Gas constant = 0.0821 L.atm/K.mol

1.04  ×V=2.68× 0.0821 L.atm/K.mol × 358 K

V=75.7l

Therefore, the volume of CO\(_2\) is 75.7l.

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Answer:

Elements

Gold, copper

Compounds

Sodium chloride, Sulphur dioxide, Aluminium oxide,

Mixture

Brass, rainwater, distilled water, sugar solution,muddy water

Explanation:

The law of conservation has been stated that the mass and energy has neither be created nor destroyed in a chemical reaction.

The law of conservation has been evident when there has been an equal number of atoms of each element in the chemical reaction.

The given equation has been assessed as follows:

The reactant has absence of hydrogen, while hydrogen has been present in the product. Thus, the reaction will not follow the law of conservation.

The number of atoms of each reactant has been different on the product and the reactant side. Thus, the reaction will not follow the law of conservation.

The reactant has the presence of carbon, while it has been absent in the reactant. Thus, the reaction will not follow the law of conservation.

The product has the presence of hydrogen, while it has been absent in the reactant. Thus, the reaction will not follow the law of conservation.

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Answer:

answer #1 used throughout the world to power devices, appliances and methods of transportation utilized in daily life. To make things operate, electrical energy must be emitted from energy sources such as power plants, to enable an object to consume the power it needs to function. ((if you want to cut it down short use the two first sentences))

answer #2 We get solar heat energy from the sun, and sunlight can also be used to produce electricity from solar

Explanation:

The H ion concentration at pH 2 is 10-² mol/litre, at pH 6 is 10-⁶ mol/litre and concentration of H ion at pH 2 is 10,000 times more than H concentration at pH 6.

The H ion concentration can are related to each other as follows -

pH = - log (H)

For the pH 2

Keep the values in equation

2 = - log (H)

H = 10-² mol/litres

For the pH 6

6 = - log (H)

Keep the value in equation

H = 10-6 mo/litre

Excess acidic character -

Acidic character = 10-²/10-⁶

Performing division on Right Hand Side of the equation

Acidic character = 10⁴

So, the hydrogen ion concentration at 2 is 10,000 times more hydrogen ion concentration at pH 6.

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Answer:

Arcuate: A fan-shaped delta, bowed or curved.

Cuspate: V-shaped delta.

Bird-foot: Outstretched claws delta

Inverted: The narrow end of delta, or river delta.

Waves: Large or regular shaped waves delta.

Tires: Round shaped delta

River estuary: A landform deposited by sediment

Explanation:

The mass of potassium chlorate is 0.3439 to generate 114.0 L  \(O_{2}\) at 0.720 atm and 291K

The decomposition of potassium chlorate is represented as

\(2KClO_{3} (s) - > 2KCl(s) + 3O_{2} (g)\)

Given, Volume = 114.0 L

pressure = 0.720 atm

temperature = 291 K

According to the Ideal gas Equation

Pv = nRT

\(n=\frac{Pv}{RT}\)

\(n=\frac{0.720*114.0}{0.82*291}\)

n= 0.3439

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Answer:

High conductivity

Explanation:

Metals exhibit high conductivity due to the mobility of valence electrons.

The Ph  of the HNO2 is calculated by the expression PH = -log[H+]

Ph value is the measure the acidic and basic value of water. Ph value less than 7 is acidic and ph value more than 7 is basic.it measure the relative amount of free hydrogen and hydroxyl ion in the water. It denotes the potential of hydrogen ion.

The concentration of nitrous acid HNO2 is 0.005M .Acid dissociation constant of nitrous acid is Ka is equals to 4.5 *10-4. we have to calculate then Ph value of the nitrous acid solution.

The expression of Ph value is ,

           Ph= -log[concentration of hydrogen ion]

           Ph= -log[H+]

The concentration of the Hydrogen ion  is calculated by

   Ka = [H+] [NO2] / [HNO2]      

4.5 .10-4 = x .x /M-x        

4.5 .10-4 = x2/0.005 m-x

Solving this expression we get the  value of x. then we have to put the value of x in the expression for calculating ph. then wee get the value.

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The element 'm' with atomic number 12 belongs to Group 2 in the periodic table.

The periodic table is organized into groups and periods. Groups represent columns, while periods represent rows. The elements within a group share similar chemical properties. The group number corresponds to the number of valence electrons in the outermost shell of an atom.

In this case, the element 'm' has an atomic number of 12. The atomic number represents the number of protons in an atom. Group 2 elements, also known as alkaline earth metals, have two valence electrons. Since 'm' belongs to Group 2, the correct answer is a) 2.

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If the balloon is closed, then yes, both volume and pressure will increase when the gas inside is heated.

What is pressure?

Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.

Various units are used to express pressure. Some of these are units of force divided by units of area. For example, the SI unit of pressure, Pascal (Pa), is 1 Newton per square meter (N/m2). Similarly, pounds force per square inch (psi, symbol lbf/in2) is the traditional unit of pressure in imperial and US systems. Pressure can also be expressed as standard atmospheric pressure. Atmospheric pressure (atm) is equal to this pressure and torr is defined as 1/760 of this. Manometric units such as centimeters of water, millimeters of mercury, and inches of mercury are used to express pressure as the height of a particular liquid column within a manometer.

If the balloon is closed, then yes, both volume and pressure will increase when the gas inside is heated.

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Answer:

mitochondria is responsible for energy