An atom has 5 protons and 7 neutrons. What is its mass number of amu?

Which dissolves better in water salt sugar or baking soda science project?

Pb (OH) 2 + _HCI → __ H2O + _ PbCl2

2. Explain the effect of: a. Adding or removing gas to a constant volume. What happens to the pressure? Is this a direct or indirect relationshin?

What is one of the products produced when al (no3) 3 and cao react together? alo2 cano3 al2o3 ca (no3) 3?

Reaction 2 occurs when an excess of 6 M HCl (aq) solution is added to 100 mL of NaOCl (aq) of unknown concentration. If the reaction goes to completion and 0.010 mol of Cl2 (g) is produced, then what was the molarity of the NaOCl solution? (A) 0.

Assume at exactly 100.0°c and 1.00 atm total pressure, 1.00 mole of liquid water and 1.00 mole of water vapor occupy 18.80 ml and 30.62 l, respectively.

The time it takes to run a kilometer depends on the amount of exercise a person gets. What is the independent variable? -person running -time to run a kilometer -running -the amount of exercise

Calculate the molar mass of a gas if an 8.06*10 (to the power of - 2) gram sample of it occupies. 0650 L at 547°C and 70.5 kPa

A gas storage tank has a volume of 3.5 X 105 L when the temperature is 27oC, and the pressure is 101 kPa. What is the new volume of the tank if the temperature drops to - 10oC and the pressure drops to 95 kPa?

The diazonium salt formed as an intermediate during this reaction is quite reactive. It reacts with water to form what? Give the mechanism for the reaction of a diazonium salt with water.