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A container of water is heated from 23.5C to 85.0C. This process requires 21,900 Joules of heat. Calculate the mass of the water. (c=4.184 J/g-C)
A chemist wants to make 5.1 L of a 0.291 M CaCl2 solution. What mass of CaCl2 (in g) should the chemist use
What volume, in liters, of O2 at 35°C and 1.19 atm can be produced from the decomposition of 10.0 g KNO3? 2 KNO3(s) → 2 KNO2(s) + O2(g)
A Mixture of 80mL of Hydrogen Gas and 60 mL of Oxygen gas is ignited by a spark to form water (please show work) a) does any gas remain unreacted.
N2(g) + 3H2 (g) ---- 2NH3(g) a one liter vessel contain 1.60 mole NH3.800 mole N2 and 1.20 mole of H2. What is the equilibrium constant.
Octane has a density of 0.692 g/mL at 20 C . How many grams of O2 are required to burn 19.0 gal of C8H18.
Which of the following compounds will produce an acidic solution when dissolved in water? What is the OH- (hydroxide ion) concentration in a solution with pOH = 2.45.
In combustion analysis, 2.00mg of vitamin C yielded 3.00mg CO2 and 0.816mg H2o. From mass spectrometry, it was found that the molecular weight of vitamin C is 176amu. Determine the mass composition of vitamin C, its empirical formula, and its molecul..
How much sodium nitrate (NaNO3), in grams, should be added to water to prepare .05L of solution with a molarity of .25M?
suppose you wish to make a .879 L of .250 M silver nitrate by diluting a stool solution of .675 M silver nitrate. How many milliliters of silver nitrate do you need to use.
For the following reaction, 5.21 grams of nitrogen gas are allowed to react with with 5.51 grams of hydrogen gas.nitrogen (g) + hydrogen (g) ammonia (g),What is the maximum amount of ammonia that can be formed.
A 2L cylinder of gas contains 2.4 moles of gas at 34 degrees Celsius. What is the pressure?
Write the balanced chemical equation using the lowest possible whole number coefficients for Fe2O3+2Al = 2Fe+Al2O3.
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