Molar mass of Ag2SO4

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Answer:

N2 + 3H2 → 2NH3. 14 moles a. If 6 mol of H2 are consumed, how many moles of NH3 are produced? ... a 3 mol H₂. 4. How many moles of nitrogen are needed to make 11 moles of NH3? Il mol NH₃ x Imol Na = 15.5

Answer:

A liquid's vapor pressure is directly related to the intermolecular forces present between its molecules. The stronger these forces, the lower the rate of evaporation and the lower the vapor pressure.

Explanation:

Answer:

vapor is bad it is the worst thing

Answer:

a bus moves on a straight road then makes a right turn

Explanation:

yes

Answer:

Answer is B

Explanation:

Answer:

HCI - BASE

KOH - ACID

H2SO4 - ACID

H30 + :- BASE

NAOH - ACID

Answer:

If you mean antacids (bases) it to neutralise stomach acids that have been disturbed.

Explanation:

Answer:

Carbon monoxide, (CO), a highly toxic, colourless, odourless, flammable gas produced industrially for use in the manufacture of numerous organic and inorganic chemical products; it is also present in the exhaust gases of internal-combustion engines and furnaces as a result of incomplete conversion of carbon or carbon

Explanation:

Answer:

why joy deleting my answer

Explanation:

When water changes from a solid to a liquid it is called melting.

Solid ice melts and forms into a liquid: water.

If this incorrect, please, don't refrain to tell me. Thank you.

Answer:

for instance when you exercise your muscles increase heat production nudging your body temperature upward.

similarly when you drink a glass of fruit juice your blood glucose goes up

homeostasis depends on that ability of your body to detect and oppose these changes

Answer:

0.5 mole

Explanation:

The equation for the reaction is given below:

2Cu + S —> Cu2S

We can calculate the mole of copper (Cu) needed to react with sulphur (S) to produce 0.25 mole of copper(I) sulfide (Cu2S) by doing the following:

From the balanced equation above,

2 moles of Cu reacted to produced 1 mole of Cu2S.

Therefore, Xmol of Cu will react to produce 0.25 mole of Cu2S i.e

Xmol of Cu = 2 x 0.25 = 0.5 mole

Therefore, 0.5 mole of copper (Cu) will react with sulphur (S) to produce 0.25 mole of copper(i)sulfide (Cu2S)

Model 1 is an ion; Model 3 is an isotope identifies the models that represent an ion and an isotope of the original atom. Therefore, option A is correct.

Isotopes are atoms that have the same number of protons but different numbers of neutrons. They have nearly identical chemical properties but differ in mass and thus in physical properties.

Neutrons exist to stabilize the nucleus without them, the nucleus would be nothing more than a cluster of positively charged protons. There are different isotopes because there are different ways of stabilizing the protons.

Model 1 is an ion and Model 3 is an isotope identifies the models that represent an ion and an isotope of the original atom. The image of the model is attached below:

Thus, option A is correct.

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Answer: m = 24.31 g/mol · 1.13 mol

Explanation: 2 mol HCl use 1 mol Mg.

Magnesium is used 0.5 · 2.26 mol = 1.13 mol

M(Mg) = 24.31 g/ mol

27.50 grams of magnesium were used in the reaction.

Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray metal that is relatively soft and lightweight. Magnesium is the eighth most abundant element in the Earth's crust and is found in minerals such as magnesite and dolomite.

The balanced chemical equation is: Mg + 2HCl ⟶ MgCl2 + H2. From the equation, we can see that one mole of magnesium reacts with 2 moles of hydrochloric acid to produce one mole of magnesium chloride and one mole of hydrogen gas.

We are given 2.26 moles of hydrochloric acid, which means that we need half as many moles of magnesium to react with it. So: moles of Mg = 2.26/2 = 1.13

Now we can use the molar mass of magnesium (24.31 g/mol) to calculate the mass of magnesium used in the reaction:

mass of Mg = moles of Mg x molar mass of Mg

mass of Mg = 1.13 mol x 24.31 g/mol

mass of Mg = 27.50 g

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Answer:

NaOH

Explanation:

NaOH is among the water soluble bases

Answer: Water is the solvent in this recipe.

Explanation: A solvent is " a molecule that has the ability to dissolve other molecules". Lemon juice and sugar are solutes.

A

acceleration is change in speed

Answer:

A. Change in speed

Answer:

1. a body of air with horizontally uniform temperature, humidity, and pressure.

2. Boundaries between unlike air masses. Air masses have fairly uniform temperature and moisture content in horizontal direction (but not uniform in vertical). Air masses are characterized by their temperature and humidity properties.

3. Air masses have fairly uniform temperature and moisture content in horizontal direction (but not uniform in vertical). Air masses are characterized by their temperature and humidity properties.

4. Continental air masses are characterized by dry air near the surface while maritime air masses are moist. Polar air masses are characterized by cold air near the surface while tropical air masses are warm or hot.

5. Continental air masses form over land and are dry. Therefore, an air mass that develops over northern Canada is called a continental polar air mass and is cold and dry. One that forms over the Indian Ocean is called a maritime tropical air mass and is warm and humid.

6. an air mass that develops over northern Canada is called a continental polar air mass and is cold and dry.

7. Commonly, when the cold front is passing, winds become gusty; there is a sudden drop in temperature, and heavy rain, sometimes with hail, thunder, and lightning.

8. stormy

9. The symbol that is used to identify a cold front on a weather map is a blue line with triangles that point in the direction in which the cold front is moving. The line is represents the leading edge of the cooler air mass.

10. The symbol that is used to identify a cold front on a weather map is a blue line with triangles that point in the direction in which the cold front is moving. The line is represents the leading edge of the cooler air mass

11. Because a stationary front marks the boundary between two air masses, there are often differences in air temperature and wind on opposite sides of it. The weather is often cloudy along a stationary front, and rain or snow often falls, especially if the front is in an area of low atmospheric pressure.

12. At an occluded front, the cold air mass from the cold front meets the cool air that was ahead of the warm front. The warm air rises as these air masses come together. Occluded fronts usually form around areas of low atmospheric pressure.

13. The temperature drops as the warm air mass is occluded, or “cut off,” from the ground and pushed upward. Such fronts can bring strong winds and heavy precipitation. Occluded fronts usually form around mature low pressure areas.

14.An occluded front is a combination of those two signs. They are indicated on a weather map either by a purple line with alternating semicircles and triangles pointing in direction of travel, or by red semicircles and blue triangles pointing in the same direction.

Explanation:

:)

Answer:

Heya

Explanation:

1) air mass:- An air mass is a large volume of air in the atmosphere that is mostly uniform in temperature and moisture.

2) Air masses are characterized by their temperature and humidity properties.

3) ( same answer i.e. temperature and humidity properties).

4) Colder air masses are termed polar or arctic, while warmer air masses are deemed tropical. Continental and superior air masses are dry while maritime and monsoon air masses are moist. Weather fronts separate air masses with different density (temperature or moisture) characteristics.

5) Continental air masses are characterized by dry air near the surface while maritime air masses are moist. Polar air masses are characterized by cold air near the surface while tropical air masses are warm or hot. Arctic air masses are extremely cold.

6) Maritime air masses form over water and are humid. Continental air masses form over land and are dry. Therefore, an air mass that develops over northern Canada is called a continental polar air mass and is cold and dry.

7) Commonly, when the cold front is passing, winds become gusty; there is a sudden drop in temperature, and heavy rain, sometimes with hail, thunder, and lightning. Lifted warm air ahead of the front produces cumulus or cumulonimbus clouds and thunderstorms.

8) Warm fronts often bring stormy weather as the warm air mass at the surface rises above the cool air mass, making clouds and storms. Warm fronts move more slowly than cold fronts because it is more difficult for the warm air to push the cold, dense air across the Earth's surface.

9) The symbol that is used to identify a warm front on a weather map is a red line with half circles that point in the direction in which the warm front is moving. The line represents the leading edge of the warmer air mass.

10) On weather maps, the surface position of the cold front is marked with the symbol of a blue line of triangles/spikes (pips) pointing in the direction of travel.

11) Because a stationary front marks the boundary between two air masses, there are often differences in air temperature and wind on opposite sides of it. The weather is often cloudy along a stationary front, and rain or snow often falls, especially if the front is in an area of low atmospheric pressure.

12)At an occluded front, the cold air mass from the cold front meets the cool air that was ahead of the warm front. The warm air rises as these air masses come together. Occluded fronts usually form around areas of low atmospheric pressure.

13) The warm air mass rises as the cool air masses push and meet in the middle. The temperature drops as the warm air mass is occluded, or “cut off,” from the ground and pushed upward. Such fronts can bring strong winds and heavy precipitation. Occluded fronts usually form around mature low pressure areas.

14)Occluded fronts are drawn as a solid purple line with half circles and triangles pointing in the direction that the front is moving. An occluded front usually brings dry air.

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A forecaster studying the climate of an area would find average yearly precipitation most helpful.

Forecaster studying of climate tells about the changes which will occur in the atmosphere in the upcoming future time.

Forecasting is done by measuring various environmental factors for the prediction of atmosphere. As it will given information about the percent of rainfall in the upcoming days, amount of precipitation, snowfall and so on.

Hence, option (A) is correct.

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Answer:

See explanation

Explanation:

When a substance is heated, its average kinetic energy increases as the molecules move faster owing to the supply of energy. The solvent molecules are able to collide more frequently with the solute molecules and dislodge them so that the solute can dissolve in the solvent.

However, when a gaseous solute is dissolved in a liquid; as the temperature is increased and solvent molecules are able to collide more frequently with the solute molecules and dislodge them, gas molecules dissolved in the liquid are more likely to escape to the gas phase and not return due to the increase in their kinetic energy.

Hence, solubility of gas solutes in water decreases as temperature increases.

Hey there!!!!!!!!!!!!!!!!!!!!!!!

Answer:

[tex]K=1.12x10^9[/tex]

Explanation:

Hello there!

Unfortunately, the question is not given in the question; however, it is possible for us to compute the equilibrium constant as the problem is providing the concentrations at equilibrium. Thus, we first set up the equilibrium expression as products/reactants:

[tex]K=\frac{[NO_2]^2}{[NO]^2[O_2]}[/tex]

Then, we plug in the concentrations at equilibrium to obtain the equilibrium constant as follows:

[tex]K=\frac{(0.95)^2}{(0.0024)^2(0.00014)}\\\\K=1.12x10^9[/tex]

In addition, we can infer this is a reaction that predominantly tends to the product (NO2) as K>>>>1.

Best regards!

0.499 mol

Explanation: M(CaC2) = 64.1 g/mol, n= m/M = 32.0 g/ 64.1 g/ mol= 0.499 mol

Amount of Calcium hydroxide Is same

Answer:

The answer is the D. That's the Mitochondrion.

Explanation:

Answer:

-1464 kJ/mol

Explanation:

The balanced equation for the reaction is given as;

C2H4(g)+3O2(g)→2CO2(g)+2H2O(l) ΔH∘1=?

The enthalpy of the reaction is given by the equation;

Enthalpy of reaction = Enthalpy of products - Enthalpy of reactants

Products:

2CO2(g)+2H2O(l)

Enthalpy of Products = 2 (−394) + 2(−286)

Enthalpy of Products = -1360 kJ/mol

Reactants:

C2H4(g)+3O2(g)

Enthalpy of Reactants = 2 (52) + 3(0)

Enthalpy of Reactants = 104 kJ/mol

Enthalpy of Reaction =  -1360 - 104 = -1464 kJ/mol

Answer:

1. Hay aceleración.

2. No hay aceleración.

3. Hay aceleración

Explanation:

Para responder esta pregunta hay que tener en cuenta que existe aceleración cuando hay una variación en la velocidad:

Answer:

B

Explanation:

B, Hcl + NaoH = NaCl + H2O