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Balance this please

Write the word equations below as chemical equations and balance. Hydrogen gas + Nitrogen monoxide yields Nitrogen gas + Water-2H2 + 2NO ---> N2 + 2H2O-2H2 + 2NO -----> N2 + 2H2O The 2 after the hyd

How to find the concentration of a titrant

for full credit use a systematic approach to show all calculations required to get from the experiemental data to the concentration of the HCl soution initial burette reading: 50.00mL final reading

Calculate ph the of a solution with h+ =5×10−4

pH = -log[H+] pH = -log(5 x 10^-4) pH = 3.30

HELP PLZ!! Radioactive elements differ in their...

Im guessing this question means how does a radioactive element differ from a stable element. Options: A) # of protons B) Atomic number C) # of neutrons D) # of electrons E) None of these answers are c

Help please specific heat

a metal sample weighing 44.625 grams and at a temperature of 100.00 C was placed in 35.278 grams of water contained in a calorimeter at 24.74 C. at equilibrium, the temperature of the water and metal

Calculate the percent dissociation of HA in a 0.10 solution ka is 6.7×10−7.

and also in a 0.010M-Some solved sample problems here: http://www.chemteam.info/AcidBase/Calc-P…

Given a stock bottle containing 2.370 x 10^-4 M PO4^3-, how would you make 100 mL of 1.185 x 10^-5 M PO4^3-

Assume you have access to any type of glassware needed, explain in detail the steps you would take.-C1V1 = C 2V2 solved says to use 0.005 L of the stock solution. Grab a 100 mL volumetric flask,Add 5

What is 100 + 32.3? Psdf

Please help first grade-132.3-100+32.3= 132.3-Simple. 132.3-132.3

6.72 g of zinc was placed in 0.1L of of 1.5M hydrochloric acid. After reaction stops, how much zinc is left

I got about 3.5 grams, but I dont know if thats right. If someone could walk we though the question Id be forever grateful.-No, not quite. Step 1:A balanced equation.I dont think your equation was ba

What are some chemical properties of silver nitrate

Ive been looking everywhere, and all I get are things needed for the MSDS (i.e. corrosive)... So far, Ive only got non-combustible. At least three more would be greatly appreciated!-Edit - then you a

What does hydrochloric acid do

HCL in our stomachs helps digest food. As an acid, it donates an H+ ion (a proton) to the surrounding liquid.This ion grabs a-hold of a molecule willing to to donate an electron to it.The pH of a liqu

What is the chemical formula of Manganese (IV) Plumbite

Mn(PbO2)2

How to calculate moles from pH and Ka value...please help.

I want to know how to calculate it, not the answer. Thanks in advance! Here is the question: What mass of benzoic acid, HC7H5O2, would you dissolve in 300.0mLof water to produce a solution with pH=2.

What is the conversion factor of TORR to KPA

I want to convert torr to kpa.-1 torr = 0.133322368 kilopascals so multiply your Torr values by 0.133322368

Chemistry help! You weigh out 0.1183 g of a complex salt to analyze for the percentage of cyanide ion...

You weigh out 0.1183 g of a complex salt to analyze for the percentage of cyanide ion in your complex salt. After dissolving the complex salt in solution, you determine that it takes 10.02 mL of a 0.0
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