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Chemistry

Gavyn Brewer

Is nitrogen flammable? If so i want to build a patao gun using it as my fuel

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Chemistry

Beetle

What's the chemical formula for iron (ii) nitride

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Chemistry

Valery Lane

Ammonia (NH3) is one of the most common chemicals produced in the united states. it is used to make fertilizer and other products. Ammonia is produced by the following chemical reaction. N2 (g) + 3h2 (g) = 2nh3 (g) If you have 1.00 x 10^3g of N2

a. If you have 1.00 x 10'g of N2 and 2.50 x 10' of H2, which is the limiting reactant in the reaction?

b. How many grams of ammonia can be produced from the amount of limiting reactant available?

c. Calculate the mass of excess reactant that remains after the reaction is complete.

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Chemistry

Brycen Lynn

How many grams of O2 are in 5.0 moles of the oxygen gas?

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Chemistry

Guest

How many of the following compounds are soluble in water? Cu (OH) 2

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Chemistry

Cedric Mccall

Mg is a member of which family? a) noble gases b) halogensc) alkaline earth metals d) alkali metalse) none of the above

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Chemistry

Belen Buchanan

How does an atom differ from a molecule?

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Chemistry

Krista Macdonald

Which of the following statements is true? a. Ag (s) reacts spontaneously with 1 M H + (aq). b. Ag (s) reacts spontaneously with Ni2+. c. Ag (s) reacts spontaneously with 1 M NO3 - in 1 M H + (aq). d. Ni2 + reacts spontaneously with 1 M H + (aq) to form H2. e. Ni2 + reacts spontaneously with H2 (g).

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Chemistry

Genesis Frost

A 2.950Ã-10âˆ'2 M solution of glycerol (C3H8O3) in water is at 20.0âˆ˜C. The sample was created by dissolving a sample of C3H8O3 in water and then bringing the volume up to 1.000 L. It was determined that the volume of water needed to do this was 998.7 mL. The density of water at 20.0âˆ˜C is 0.9982 g/mL. Calculate:

a. molality

b. mole fraction of glycerol in this solution

c. the concentration of the glycerol solution in percent by mass

d. the concentration of the glycerol solution in parts per million

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Chemistry

Melvin Duffy

Which substance can be decomposed by chemical means

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Chemistry

Marlene

4) How many silver atoms are contained in 3.75 moles of silver?

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Chemistry

Big Bird

Pressure has the greatest effect on the solubility of

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Chemistry

Bailee Peck

Aluminium oxide is used as a catalyst to speed up the reaction. Suggest another reason for using a catalyst.

?

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Chemistry

Sidney Shepherd

Why do living things store energy in lipids instead of in carbohydrate?

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Chemistry

Natalee Boone

How many hydrogen atoms are in one molecule of c2h2?

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