Please help me calculate pH pOH = 7

Please help me calculate pH pOH = 7

There are two stable oxides of Lead(pb) that exist. Using concepts of stability, predict the formulas for the two oxides. ie Find the formula for the stable versions of PbxOy

A 591 mg sample of vaporized gaseous organic solvent containing only C and H occupies 258 ml volume at 100 C• and 760torr solvent is 85.63% C by mass what is the molar mass and molecular formula of...

university level question

UNIVERSITY LEVEL QUESTION

Question #1 In a titration 23.46 ml of 0.00325 M Ba(OH)2 neutralized 13.8 ml of HCL solution. What is the molarity of the HCl solution? Answer in units of M Question...

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How many L of NaNO3 would I need to add?

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I'm having a hard time with my chemistry lab, please help!

Calculate the power generated by the solar cell which obtained Voc = 0.87 V and Isc = 4.1 mA upon direct exposure to sunlight. Assume a fill factor of 25%.

The rate of a hypothetical reaction involving L and M is found to triple when the concentration of L is doubled and to double when the concentration of M is doubled. Write the rate law for this reaction...

A gas mixture contains 4.00 grams of H2 gas and 10.0 grams of argon gas in a 4.30-L container at 10.0 Celsius. Calculate the mole fraction and the partial pressure of EACH gas. Calculate the total...

What mass of potassium nitrate is produced when 50.0mL of 0.200 M Al(NO3)3 reacts with 200.0mL of 0.100 M KOH?

I have a list of fictitious elements to put into a periodic table (of my own design). I have the atomic weight, physical state (gas, diatomic gas, hard brittle solid, ,hard w/high melting point,...

If a 0.06247 kg ice cube initially at 0.00 C is allowed to melt in a Styrofoam cup holding 0.497 kg of water at 10.0 C , what is the total entropy change for this process?

If a 0.06247 kg ice cube initially at 0.00 C is allowed to melt in a Styrofoam cup holding 0.497 kg of water at 10.0 C , what is the total entropy change for this process?

I am not sure how to calculate ?G°rxn if I am not given all of the values for ?G°f. Can someone explain? I thought you The question I am trying to answer -- Calculate...

13.5 g of Aluminium when changes to Al3+ ion , in solution , will be : 9.0 X 1023 electrons 3.01 X 1023 electrons 6.023 X...

Sulfur trioxide, SO3, reacts with water to yield sulfuric acid. Sulfur trioxide has the following three resonance structures and others (not shown) in which the octet is expanded. Which of the following...