How are coals and ores mined

If you allow dry ice to stand in a ball at room temperature for several hours, what would be left?

Which statements correctly describe atmospheric pressure? A) It's the same everywhere in the atmosphere. B) It pushes on all objects that are on Earth's surface. C) It can be measured in atmospheres or kilopascals.

Consider the equation below. Upper C a upper C upper O subscript 3 (s) double-headed arrow upper C a upper O (s) plus upper C upper O subscript 2 (g).

How would the number of moles (n) of O2 change if the atmospheric pressure doubled but all variables stayed the same?

How many liters of solution can be produced from 2.5 moles of solute if a 2.0 M solution is needed? 5.0 L 4.5 L 1.25 L 1.0 L

2 CO (g) + O2 (g) → 2 CO2 (g)

3h2 (g) + o3 (g) 3h20 (g) arrow after the o3 (g) whats the overall enthalpy?

For the reaction represented by the equation cl2 + 2kbr ® 2kcl + br2, calculate the percentage yield if 200. g of chlorine react with excess potassium bromide to produce 410. g of bromine.

The surface area and depth of the Pacific Ocean are 1.8 X 10^8 km^2 and 3.9 X10^3 m respectively, Calculate the volume of the Pacific Ocean in liters.

Find the molarity of HCl from neutralization of NaOH+HCl I have 9.82mL of HCl and 14.44mL NaOH. The molarity of NaOH is. 5M