How many moles of CO2 are in 116.3 g?

How many liters of h2 gas, collected over water at an atmospheric pressure of 752 mm hg and a temperature of 21.0°c, can be made from 1.566 g of zn and excess hcl? the partial pressure of water vapor is 18.65 mm hg at 21.0°c. a. 0.599 l?

Which is an intermolecular force? select one: a. ionic bond b. covalent bond c. hydrogen bond d. metallic bond e. all of these can be intermolecular forces?

Which is an example of a mixture

Planet X is a terrestrial planet in our solar system. It has 21% oxygen in its atmosphere. Humans can walk on this planet without the aid of a space suit. Based on the description, planet X is

If 22.5L of nitrogen at 748 mm Hg are compressed to 725 mm Hg at constant temperature. What is the new volume?2. A gas with a volume of 4.0L at a pressure of 205kPa is allowed to expand to a volume of 12.0L.

The list of traits describes a typical pine tree. Which trait is caused by the environment, not genetics? A) bark cracked and gray B) treelike growth pattern C) sheds needles in dry conditions D) height varies between 20 and 30 feet

How many grams are there in 7.3 moles of NH3?

The table compares wildlife supported by two plants growing around a lakeside ecosystem in South Florida.

What does it mean if the plus sign is positive for the sodium atom?

Baby Caitlen is about to turn one year old. She loves to play peek-a-boo and acts so surprised each time a hidden face appears behind her dad's hands. Why is she surprised?