The reaction of excess oxygen with an unknown volume of hydrogen at 200 c yields 3.22 l of steam. what is the volume of the hydrogen - pressure

A cough medicine has 17.5% active ingredient. if the dose is 5 mL, how much of the dose is active ingredient?

If a snail with a red shell crossed with a white shell, what color would the children have shown in a punter square

An atom has 16 protons and 16 neutrons. Which of the following could be the symbol for that atom, including its mass numbe? Consult the periodic table. A. 35CL B. 32S C. 32Cl D. 35S

1. What is the amount of energy required to raise the temperature of 150 grams of aluminum by 10°C? A. 0.897 J B. 13.45 J C. 1345.5 J D. 4.18 J 2. If you have an endothermic reaction, heat energy is written on the product side of the equation.

What is the molar mass of CuCI

How does temperature affect the rate of a reaction? A. Increasing the temperature decreases the potential energy of the reactants. B. Increasing the temperature gives the molecules more kigetic energy C.

Who thought everything was made from fire, earth, air, and water? A. Ancient Egyptians B. Democritus C. Socrates D. Aristotle SUBN

A 52.8-g sample of glucose (a nondissociated, nonvolatile solute with the formula C6H12O6) is dissolved in 158.0 g of water. What is the vapor pressure of this solution at 100°C?

When making a solution of sugar and water, you begin with a 500 ml beaker, 10 grams of sugar, and 400 ml of distilled water. which procedure will allow you to dissolve the most sugar in the least amount of time?

What is the definition of covalent bond?