How many grams of lead chromate form
how many grams of lead chromate form when a 1.00g sample of Pb(NO3)2 is added to 25.0 mL of 1.00 M K2CrO4 solution.
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It takes 48.0 J to raise the temperature of an 10.7 g piece of unknown metal from 13.0 degree Celsius to 25.0 degree Celsius. What is the specific heat for the metal?
The space shuttle orbiter utilizes the oxidation of methyl hydrazine by dinitrogen tetroxide for propulsion.
Use the equation given to solve the following.Na3PO4+3AgNO3=Ag3PO4+3NaNO3.a) how many moles of NaPO4 would be required to react with 3.5 moles of AgNO3. B) How many moles of NaNO3 can be produced from 0.50 moles of Na3PO4? c).
An element has three naturally occurring isotopes with the following masses and abundances (in parenthesis): 27.977 amu (0.9222); 28.974 amu (0.0469); 29.974 amu (0.0310).
A solution is prepared by dissolving 246 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
Zn (s) + 2HCl (liq) -> H2 (g) + ZnCl2 (s), How many moles of ZnCl2 form when 6.3 mol of Zn reacts?
What is Ka for this acid?When 0.050 mol of propionic acid, C2H5CO2H, is dissolved in 300 ml of water, the equilibrium concentration of H3O+ ions is measured to be 1.37 x 10-3 M. What is Ka for this acid?
When a solution of Cu(II) chloride, CuCl2 , is added to a solution of potassium sulfide, K2S, a black precipitate of copper sulfide, CuS, forms. Write a balanced chemical equation, ionic equation, net ionic equation & spectator ions.
A 2.89 g sample of solid calcium carbide (CaC2) reacted with water to produce acetylene gas (C2H2) and aqueous calcium hydroxide. If the acetylene was collected over water at 16.3 C and 0.973 atm, how much acetylene was produced? Answer in units o
The pressure in an engine cylinder increases from 7.6 atm to 13 atm as the gas is compressed from 0.50 L to 0.10 L. What is the expected cylinder temperature if the gas was initially 15°C?
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Problem: Is hypercompetitive communication ethical? Explain.
Make a Business Presentation using Power Point Subjects for you presentation could be one of the following: Your Career Choice
To Find and analyze a recent article in the news that discusses an aspect of the mass media industry and how it's changing/adapting to today's world.
Where should you locate your business? How should you promote, price and distribute your product?
How to write a formal email asking for information? Your friend told you about an upcoming seminar and gave only a brief description and email to contact.
Imagine you are the newly elected chairman of your barangay Write a letter to the City mayor requesting for a possible sponsorship in a barangay event.
What was the action you are most proud of, or that is the most meaningful to you? What was the civic issue that was involved in your action?