A certain gas occupies a volume of 26 L when the applied pressure is 5.7 atm. Find the pressure in the system when the gas is compressed to a volume of 6.5 L at constant temperature.

Which equation represents a neutralization reaction? A. 4Fe (s) + 3O2 (g) → 2Fe2O3 (s) B. 2H2 (g) + O2 (g) → 2H2O () C. HNO3 (aq) + KOH (aq) → KNO3 (aq) + H2O () D. AgNO3 (aq) + KCl (aq) → KNO3 (aq) + AgCl (s)

Formula needed for Pb2+Cl-

Total energy of a system including potential and kinetic

When matter and energy change forms within a closed system, A. the total amount of matter changes, but the total amount of energy does not. B. the total amount of energy changes, but the total amount of matter does not. C.

How many grams of potassium chloride can be dissolved in 100 g of water at 80°C

What is the reactant (s) of the reaction below? MgCO3 (s) → MgO (s) + CO2 (g) O A. Magnesium oxide and carbonate O B. Magnesium carbonate O O C. Magnesium and carbon dioxide D. Magnesium oxide

Temperatures in June in the Paradise City are distributed nearly normally with mean 82 degrees and standard deviation 6 degrees F. Which of the following temperatures would be considered unusual? A. 89.2 B. 75.4 C. 79 D. 86.2 E. 95.8

Which feature do all adult echinoderms have?

A scientist observed a 5-mL sample of an unknown substance. It is a blue liquid with a density of 1.2 g/cm. the substance reacts with carbon dioxide.

9.87 g of calcium sulfate and 12.05 g of potassium react. What is the total amount of potassium sulfate that can be produced?