Identify the reactant and product in tge following chemical reaction: CH4 + 2O2 ➡ CO2 + 2H2O

Calculate the root-mean-square speed of methane, ch4 (g), at 78°c. root mean square speed = u = [3rt / (molar mass) ] ^ (1/2) think about which r you are going to use and make sure to show the units!

It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration). Write an equation that shows the dehydration of manganese (II) sulfate monohydrate.

Based on your Lewis structures for the postlab assignment, which molecules below have a three dimensional structure? (Select all that apply.) (A) CO2 (B) H2S (C) SO3 (D) PCl3 (E) CH2Cl2 (F) NO2

How would the kinetic energy of a 12,000 kg train compare with the kinetic energy of a 900 kg compact car if both were traveling at the same speed? A. the trains kinetic energy would be equal to the cars kinetic energy. B.

What is the largest source of freshwater on earth? large lakes ice sheets, glaciers, and icebergs groundwater rivers

Molar mass of 34.00 g/mol molecular formula

In CO which element holds electron more tightly

Copper is composed of two naturally occurring isotopes: Cu-63 (69.170%) and Cu-65. The ratio of the masses of the two isotopes is 1.0318. What is the mass of Cu-63?

The measurement describes the area of solid object a. 25mm b. 23c c. 25cm2 d. 25cm3

The face-centered gold crystal has an edge length of 407 pm. based on the unit cell, calculate the density of gold.