At a certain temperature, molecules of methane gas CH4 have an average velocity of 0.098m/s. What is the average velocity of carbon dioxide molecules at this same temperature?

In order for a plant to complete photosynthesis, all of the following need to be present except: Oxygen Sunlight Water Carbon Dioxide

A student sets up the following equation to solve a problem in solution stoichiometry. (The? stands for a number the student is going to calculate.) Enter the units of the student's answer (1.26mol) 1mL10^-3L / (7.9mol/L) = ?

You mix 335 gallons of a mixture containing 4 wt% NaCl (sodium chloride) and 96 wt% water (solution density = 1.0253 g/cm3) with an unknown volume of solution that is 26 wt% NaCl and 74 wt% water (solution density = 1.1944 g/cm3).

Nina wants to become a sculptor. She likes to carve statues from rock. Which of the following branches of science would be most beneficial for her to study?

Determine the mass of co2 and the mass of h2o produced by the combustion of 1.15 g of a compound with the empirical formula ch4o.

Fill in the blanks: Note: both blanks are the same word The weight on an object depends on its (blank) and the (blank) of earth.

Why would putting argon and pottassium in order of there atomic masses be wrong

How many moles of calcium chloride (CaCl2) are needed to react completely with 6.2 moles of silver nitrate (AgNO3) ? 2AgNO3 + CaCl2 → 2AgCl + Ca (NO3) 2

A block of aluminum has the dimensions: length 5cm, width 3cm and height 1cm and weighs 40.5 g. What is its density?

Balance this equation Pb (NO3) 2+Na2 (CrO4) = Pb (CtO4) + Na (NO3)