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Consider the following system at 100°C: N2O4(g) ?2NO2(g) Kc = 0.36 Predict the direction in which the system will move to reach equilibrium if we start with 0.20 mole of N2O4 and 0.20 mole NO2 in a 4.0 L container.
A 4.70 g nugget of pure gold absorbed 255 J of heat. What was the final temperature of the gold if the initial temperature was 24.0°C? The specific heat of gold is 0.129 J/(g·°C).
What is the density of a block of marble that occupies 350 cm3 and has a mass of 660 g?Answer in units of g/cm
What is the theoretical yield of aluminum oxide if 1.60 mol of aluminum metal is exposed to 1.50 mol of oxygen?
When a container is filled with 3.00 mol of H2 , 2.00 mol of O2 , and 1.00 mol of N2 , the pressure in the container is 465 kPa. The partial pressure of O2 is ?
If 3 moles of NaCl are needed to produce 1 mole of AlCl3, how many grams of NaCl are needed to produce 200 grams of AlCl3? Show all of your work/calculations.
Find reactant and product information, Balance the following reaction: Mn + HCl --> MnCl2 + H2, If you have 100g of Mn and 100g of HCl find
Calculate the concentration of Calcium (MW 40.078 g/mol) in the H2O in units of gram per 100 mL and calculate the concentration of Calcium (MW 40.078 g/mol) in the H2O in units of gram per 100 mL.
At a certain temperature, the Kp for the decomposition of H2S is 0.726 H2S = H2+S initally only H2S is present at a pressure of 0.126 atm in a closed container.
a 365.0g sample of water,contains 23mg Au. How much gold is present in the sample in parts per million?
Calculate the molarity of 464 mL of a solution that contains 135 g of sucrose C12H22O11
How many joules are required to raise the temperature of 80g of iron from 20 degrees celsius to 70 degrees celsius?
what is the pH of a solution of 125ml of 3.5 M of CH3COOH and 25ml of 1.25 M of NaOH ?
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