1. How many atoms of nitrogen are there in 0.50 mol of (NH4) 2CO3?

A. 1

B. 2

C. 3.01 * 1023

D. 6.02 * 1023

Nitrogen gas is stored at 200 kPa and 100 K in a rigid tank with a volume of 0.5 m3. If the temperature of the gas is increased to 400 K, what is the final pressure in the tank (answer in kPa) ?

Gaseous ethane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water. Suppose 9.32 g of ethane is mixed with 12. g of oxygen. Calculate the minimum mass of ethane that could be left over by the chemical reaction.

How does earth atmosphere affect the motion of a meteroid

The process of cell division that creates sex cells reproducing organism is called? A. mitosis B. meiosis C. replication

If I have an unkonwn quantity of gas held at a temperature of 1195 K in a container with a volume of 25.0 liters and a pressure of 560 atm, how many moles of gas do I have? R = 0.0821 when pressure is atm

Calculate the density of an object with a mass of 30g and volume of 6cm^3

What happens when light from the sun passes through any type of matter? the light slows down. the light speeds up. most of the light is absorbed. most of the light is reflected.

What is the chemical name for Fe (HCO3) 2

How are protons, electrons, and neutrons correctly compared

You compare two layers to a because the crust and upper mantle are solid