A0.1946 g piece of magnesium metal is burned in a constant-volume calorimeter that has a heat capacity for the bomb only of 1349 j/°c. the calorimeter contains 5.00 x 102g of water and the temperature rise is 1.40°c. calculate the heat of combustion of magnesium metal in kj/g, given that thespecific heat of water is 4.184 j/g·°c.
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Chemistry, 22.06.2019 06:30
Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?
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Chemistry, 22.06.2019 08:40
For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate
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Chemistry, 22.06.2019 10:30
Find the number of grams of hcl needed to react completely with .50 moles of magnesium.
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Chemistry, 23.06.2019 01:20
Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)
Answers: 1
A0.1946 g piece of magnesium metal is burned in a constant-volume calorimeter that has a heat capaci...
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