analysis of a 12.04g sample of liquid compound compoed of carbon, hydrogen and nitrogen showed it to contain 7.34g carbon, 1.85g hydrogen and 2.85g nitrogrn. what is the percent composition of this compound?

Calculate the number of Li atoms in 9.5 moles of Li

Which two human activities are believed to be the greatest contributors to global warming? Anonnative species introduction and the burning of fossil fuels Bdeforestation and the burning of fossil fuels Cdeforestation and nonnative species

Why is there more co2 in the air that you breathe out than in the air that you inhale?

If 8.20 kJ of heat is needed to raise the temperature of a sample of metal from 12°C to 29°C, how many kilojoules of heat will be required to raise the temperature of the same sample of metal from 34°C to 57°C?

How are flash drives better than hard drives

What will be the outcome of putting litmus paper into bleach? a. red paper turns blue, blue paper turns red b. red paper does not change, blue paper turns red c. red paper turns blue, blue paper does not change d.

What makes it possible for ships to float?

How many moles of water will be produced when 3 moles of ethane are burned

What is an exothermic chemical reaction? a. It is a reaction that converts matter to heat. b. It is a reaction that requires heat to proceed. c. It is a reaction that draws heat from its surroundings. d.

Chemical equation for liquid ethyltoluene