Dr. Nation has 0.75 mol of an unknown gas with pressure of 500 mmHg and a volume of 290 mL. What is the temperature of this unknown gas?
O 3.1k
9.3K
78 K
30.2 K

What is the number of atoms in 3.54 mol s

In an experiment, 45g of silicon tetrachloride are treated with 45ml of water. what is the theoretical yield in grams of hcl

Why is any chemical reaction always balanced? give reasons and explain the easiest way to solve the balancing problems in chemical equations with stoichiometric coefficients upto 20 as hit and trial doesn't always work. give full reasoning