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A scientist wishes to compress 50.0 ml of ammonia gas at normal atmospheric pressure to a volume of 1.0 ml. What pressure in atmospheres is necessary?
A piston has an external pressure of 12.0 \rm atm. How much work has been done if the cylinder goes from a volume of 0.120 liters to 0.500 liters.
Sulfur dioxide gas reacts with oxygen to produce gaseous sulfur dioxide. when the pressure on the reaction at equilibrium is lowered, the equilibrium will
Diagnostic reactions are those used in medicine to figure out what may be causing a problem. Can you go into detail concerning one such test you or someone you know has undergone? Share one balanced chemical equation related to this, and be sure t..
Find the temperature of 3 grams of chlorine gas in a 1.5 L container with 801 mmHg of pressure.
Compute the Ka for the acid if the pH of the resulting solution = 6.36. and determine the pH of the resulting buffer
WHen dimethyl ether (CH3OCH3) is burned, 1450 kj of heat are released per mole. How much heat is released when 3.89 grams of dimethyl ether is combusted
Consider the following balanced thermochemical equation for the decomposition of the mineral magnesite: MgCO3(s) => MgO(s) + CO2(g) ?Hrxn = 117.3 kJ What is ?H in kJ when 41.56 g of CO2 reacts with excess MgO
you are making a buffer. you add 57.89g of sodium methanoate to 500.0 ml of water. The molecular mass of sodium methanoate is 68.01 g/mol. The Ka of methanoic acid is 1.8*10^-4. find the pH of the buffer.
What is the pOH of a solution that is prepared by mixing 25.0 mL of 0.200 M HNO3 and 25.0 mL of 0.150 M KOH
At the anode in a galvanic cell (voltaic cell), a. electrons are accepted b. electrons are produced AND oxidation takes place c. electrons are produced d. oxidation takes place e. reduction takes place
what is the percent yield of a reaction in which 244 g phosphorus trichloride reacts with excess water to form 144 g
Classify the following salt solution as neutral acidic or basic. Explain and use quilibrium value constants
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