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Calculate the heat when 150 ml of .500 M HCI is mixed with450 ml of .100 M barium hydroxide. Assuming the temperature of both solutions was initially 25? and that the final mixture has a mass of 600 g and specific heat if water, calculate the final temperature of the mixture?
what is the balanced equation of aluminum reacts with ammonium perchlorate to produce aluminumn oxide, aluminum chloride, nitrogen monoxide, and 110g of water.
what is the density of a rock that causes the water level in a graduated cylinder to rise from 35.5 to 47.2 and has a mass of 22.8 grams
what mass spectrometry techniw would be most effective in determining the chemical structure?
Calculating Pressures using different laws, Converting between Units of Pressure, Part A, Convert 0.700atm of pressure to its equivalent in millimeters of mercury.
How many moles of chloride ions are there?
Which of the following pairs of molecules is listed in order of decreasing net dipole moment (from more polar molecule to less polar molecule)
What is delta H rxn/mol Mg for the following reaction. Mg + 2HCl -> MgCl2 + H2 if 0.158 g Mg reacts in 100.0 mL of solution and changes the temperature from 25.6 °C to 32.8 °C
What is the total sample size (in grams) for a sample of magensium nitrite which contains 0.96 g of oxygen
A sample of neon is collected at 2.7 atm and 12.0 C. it has a volume of 2.25L.What would be the volume of this gas at STP?
A quantity of N2 occupies 62.2 L at a particular temperature and pressure. Its density is 0.900 g/L. How many moles of N2 are in the container?
what is the concentration of oxygen in air-saturated water at 25 degrees C and .85 atm? Assume that the mole fraction XO2 is .209 and Henry's law constant for oxygen
Question- Chemists commonly use a rule of thumb that an increase of 10 K in temperature doubles the rate of a reaction. What must the activation energy be for this statement to be true for a temperature increase from 18°C to 28°C
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