How many moles of neon (Ne) gas have a volume of 0.84 L and a pressure of

4.6 atm at 222 K?

(The universal gas constant is 0.0821 L'atm/mol:K.)

O A. 0.010 mol

O B. 4.7 mol

O C. 0.21 mol

O D. 70. mol

Which of the following would decrease current flow in a circuit made originally from a 1.5 volt battery, a loop of wire and a switch? A. original battery, thicker wire B. original battery, thinner wire C. 3V battery, thicker wire D.

How many moles of oxygen are in 25.45 g of caco3?

On the pH scale, which value represents an acid? 2 8 12

Is the only known planet that is able to support living organisms. 1 - Mercury 2 - Earth 3 - Mars 4 - Venus

There are__electrons in the covalent bond between C and O in CO.

The proper name for a carbohydrate polymer with 2 subunits is

Suppose a thermometer has marks at every one degree increment and the mercury level on the thermometer is exactly between the 25 and 26 degree Celsius marks. We should properly report the temperature measurement as:

What does the orbital tell you about the location of the electron?

If a 1.45 M solution has 2.43 g HCl dissolved, what is the volume of solution? (Change g Hl into mol using molar mass)

Which of the following describes a reaction that reaches equilibrium?