Hydrogen gas was cooled from 423K to 323K. Its new volume is 75 mL. What was its original volume?

You place ice cubes into a glass of lemonade what happens to make the lemonade to get cold

If it takes 30 seconds for a reactant concentration to decrease from 1.0 M to 0.5 M in a first-order chemical reaction, then what is the rate constant for the reaction? A. 0.033 s^-1 B. 0.046 s^-1 C. 0.023 s^-1 D. 43 s^-1

Area is calculated by: dividing length and width multiplying length and width adding length and width subtracting length from width

A + B > AB is what kind of reaction?

What is the lethal dosage of lead?

How many molecules are in 3 moles of Fe2O3?

What terms are needed to completely describe velocity ... A. units B. number C. mass D. direction

How many grams are in 3.3 moles of potassium sulfide, k2s

What is fusion energy

A 4.5-liter sample of a gas has 0.80 mole of the gas. If 0.35 mole of the gas is added, what is the final volume of the gas? Temperature and pressure remain constant. 3.9 liters 5.3 liters 6.3 liters 6.5 liters