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A 2.00 gram peanut is burned in a bomb calorimeter containing 1234 grams of water. The temperature of the water increases from 25.00 Celsius to 30.25 Celsius.
a) How much heat, in joules, did the peanut release as it burned?b) Calculate the heat content in units of calories and in Calories.c) Calculate the energy value in units of Cal/grams
Draw CI by placing atoms on the grid and connecting them with bonds. Do not identify the charge on each of these species. Include all lone pairs of electron.
a piece of metal with a mass of147g is placed in a 50ml graduated cylinder. the water level rises from 20ml to 41ml. what density of the metal?
Determine what would be its temperature after absorption of 9.4 * 10-2 kWh of heat If 1.45 L of water is initially at 25.0 °C,?
A solution is prepared by mixing 79.0 mL of 5.00 M HCl and 34.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+ ], [OH - ], and the pH for this solution.
Calculate the amount of heat liberated (in kJ) from 347 g of mercury when it cools from 85.0°C to 15.0°C.
This acidity has affected many lakes in northern Europe, the northern United States, and Canada, reducing fish populations and affecting other parts of the ecological network within the lakes and surrounding forests
Hexane has a density of 0.659g/mL to the third at 20 degrees C. How many mL are needed to have 30.0g of liquid.
Molecular Formula of a Compound from Percent Composition and Molar Mass, What is the molecular formula of a compund that contains 42.87%carbon, 3.598% hydrogen, 25.00% nitrogen
what volume of .2500M colbaat(III)sulfate is required to react completely with 5.00 grams of sodium carbonate?
The instruction booklet for your pressure cooker indicates that its highest setting is 12.5 psi . You know that standard atmospheric pressure is 14.7psi
A 27.2 mL sample of a solution of RbOH is neutralized by 16.12 mL of a 2.047 M solution of HBr. What is the molarity of the RbOH solution? Answer in units of M.
Explain why it is appropiate to group a polyatomic ion in parenthses in a chemical formula, if more than one of that ion is present in the formula.
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