Which of these equations is balanced? a. 3 H2SO4 + 2Al → Al2 (SO4) 3 + 3H2 b. 2KCl + Pb (NO3) 2 → KNO3 + PbCl2 a b a and b neither

Type in the name of the following compounds. Be sure to use the periodic table if needed. SO2:

Calculate the pressure using the formula P = 1.03 + Mass on Syringe / area of Top of Syringe Pressure: kg/cm2

Which particles occupy the orbitals surrounding the nucleus? protons electrons neutrons ions

Rank the following gases in order of their concentration in Earth’s atmosphere from smallest to greatest. Oxygen, Carbon Dioxide, Water Vapor, Nitrogen, Hydrogen

Which process involves a decrease in entropy? burning natural gas water freezing into ice water evaporating on heating dry ice subliming

The molar heat of fusion for water is 6.01 kJ/mol. How much energy must be added to a 75.0-g block of ice at 0°C to change it to 75.0 g of liquid water at 0°C?

How to determine the vapor pressure of a volatile liquid?

Experimenting to determine the fundamental properties of X-rays would be an example of basic research. (A) True (B) False

Why does sucrose cause tooth decay?

In order to prepare the described solution in the laboratory, two quantities must be measured accurately. One of these quantities is the volume of the solution. What other quantity must be measured in the laboratory to prepare this solution?