How many moles in 2.5 liters of methane gas

Which of the following is true about the Sun? A. The Sun is the only star in the Universe. B. The Sun is one of many stars in the Milky Way Galaxy. C. The Sun is the only star in the Milky Way Galaxy.

Plants are capable of using nitrogen directly from the atmosphere. True false

A zookeeper predicted the weight of a new baby elephant to be 272 pounds when it was born. The elephant actually weighed 304 pounds at birth. What was the percent error of the zookeeper's prediction?

Which of the following statements correctly describes the hydronium-hydroxide balance in the given solution? A. In acids, [OH-] is greater than [H3O+]. B. In bases, [OH-] = [H3O+]. C. In bases, [OH-] is greater than [H3O+]. D.

Why does Barium (Ba) have a larger atomic radius than Magnesium (Mg) ?

Define meteorologist.

How do decomposers get energy? A. by making their own food B. by eating other organisms C. by converting light energy into chemical energy D. by breaking down the waste materials of dead organisms

Among the following, which is a binary molecular compound? Question 7 options: CO2 NaCl MgS FeO

A 1 liter solution contains 0.227 M acetic acid and 0.302 M potassium acetate. Addition of 0.113 moles of sodium hydroxide will: (Assume that the volume does not change upon the addition of sodium hydroxide.)

How do newtons laws relate to egg drop project