Balanced equation for the reaction
Write a balanced equation for the reaction of rm Ni(NO_3)_2 and NaOH.
Express your answer as a chemical equation. Identify all of the phases in your answer. If there is no reaction, enter noreaction.
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A solution of phosphoric acid was made by dissolving 10.0g H2PO4 in 10.0 mL of water. The resulting volume was 104 mL. Calculate density, mole fraction, molarity, and molality of the solution. Assume water was has a density of 1.00 g/cm3
The helicopter is moving horizontally to the right at a constant velocity. The weight of the helicopter is W=56500N. The lift force L generated by the rotating blade makes an angle of 21.0 degrees with respect to the vertical. What is the magnitud
At 20 degrees C, the vapor pressure of ethanol is 45 torr and the vapor pressure of methanol is 92 torr. What is the vapor pressure at 20 degrees C of a solution by mixing 27.0 g of methanol and 75.0 g of ethanol?
A salt bridge connects the two beakers, and wires to a voltmeter link the two metal electrodes. Write the equation for the overall cell reaction.
Write a balanced equation for the reaction of rm Ni(NO_3)_2 and NaOH. Express your answer as a chemical equation. Identify all of the phases in your answer. If there is no reaction, enter noreaction.
What mass of natural gas {rm{(CH}}_4 ) must you burn to emit 259 kJ of heat?
when 0.800 grams of NaOH is dissolved in 100.0 grams of water, the temperature of the solution increases from 25.00 degree to 27.06 degree . what is the amount of heat absorbed by the water . ( the specific heat of water is 4.18J/g-degree)
An insulated container holding 4.50 of water at 6.0. Assuming that no heat is lost to the surroundings, what will be the final temperature of the mixture?
In addition, the snow exerts a retarding force on the sled that points opposite to the direction of motion, and has a magnitude of 57 N. What is the acceleration of the child and sled?
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