A sample of xenon gas at a pressure of 1.14 atm and a temperature of 20.4 °C, occupies a volume of 16.9 liters. If the gas is allowed to expand at constant temperature to a volume of 27.7 liters, the pressure of the gas sample will be atm.

Disorder in the universe increases because A. spontaneous changes produce more order in a system. B. work produces disorder in a system. C. work produces waste heat, which leaves a system. D. all of the above

Which of these is not an obstacle to the future of space exploration?

What is the pOH value of 0.0000877 M HCL

Nitric acid in acid rain forms when gaseous nitrogen dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous nitric acid. Write a balanced chemical equation for this reaction. Express your answer as a chemical equation.

What is the name of the process when new substances are formed that have different properties from the original reactants?

1. What is something you might see a scientist doing?

Is fire living or non living

Which of these is used to find the estimated age range of a fossil?

I want to convert atoms to moles. My friend tells my to multiply the number of atoms by 6.02 x 102. Is my friend correct?

Combining 0.301 mol Fe2O3 with excess carbon produced 11.6 g Fe. Fe2O3+3C⟶2Fe+3CO What is the actual yield of iron in moles?