Kiesha

26 x 1/5 divided by 1/2 x 5. evaluate. I don't know if i'm supposed to find a common denominator and if i should use 10 as the common denominator.

IF Joseph deposits $1,000 at year-end for the next 35 years, assuming he makes one yearly deposit of $1,000 at 5% compounded annually, how much interest would he earn?

A sample of oxygen is collected over water at 22°C and 762 torr. What is the partial pressure of the dry oxygen? The vapor pressure of water at 22°C is 19.8 torr.

What is the volume of 1.40 moles of nitrogen gas at 20.0°C and 770. torr?

How many moles of hydrogen are consumed when 40.0 L of hydrogen chloride gas are produced in the following equation? H2(g) + Cl2(g) 2 HCl(g)

How would you prepare 150.0 mL of a 0.200 M aqueous solution of potassium chloride from a 0.500 M aqueous solution of potassium chloride?

A 120. mL sample of a gas is at a pressure of 1.50 atm. If the temperature remains constant, what will be its volume at 3.50 atm of pressure?

Please show me the steps..... At STP, 3.00 L of nitrogen gas contains the same number of molecules as A) 1.00 L of nitrogen gas B) 2.00 L of oxygen gas C) 3.00 L of chlorine gas D) 4.00 L of hydrogen gas

What mass of KCl is dissolved in 250. mL of a solution that is 4.00 % by mass/volume?

a certain radioactive isotope has a half life or 850 years.how many years would it take for a given amount of this isotope to decay to 70% of that amount?

Which of the following has a product of 4? A.-1 and 4 B.1 and -4 C.2 and -2 D.-2 and -2

623/7 89%

51.4mL

I attempted at the problem, is it 10.0g?