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If you used the 9000 kilojoules you expend in energy in one day to heat 51000 {rm g} of water at 23^circ {rm C}, what would be the rise in temperature?
The label on an aerosol spray can contains a warning that the can should not be heated to over 130°F because of the danger of explosion due to the pressure increase as it is heated.
Calculate the final temperature when a 24.7 gram sample of ice at 0oC is placed into a styrofoam cup containing 126 grams of water at 78.0 oC. Assume that there is no loss or gain of heat from the surroundings.
The addition of H2 to C=C double bonds is an important reaction used in the preparation of margarine from vegetable oils.
The equilibrium constant, Kc, for the following reaction is 7.00E-5 at 673 k. Calculate Kp for this reaction at this temperature.
A foul-smelling gas produced by the reaction of with was collected, and a 1.00 sample was found to have a mass of 1.52 at STP. What would be the formula.
Four Cl- ions can act as ligands to form a complex ion with Cu2+. What is the overall charge of the complex ion?
Two compounds of nitrogen tetroxide(N2O4) and hydrazine(N2H4) are used as rocket fuels.When the two are mixed,they ignite and produce nitrogen gas and water.
What holds solids or liquids and carries out reactions? what is used to mix or combine two or more substances? what it used to support an iron ring or clamp?
Determine the pH of a solution prepared by adding 0.0500 mole of solid ammonium chloride to 100 mL of a 0.150-molar solution of ammonia.
Calculate the amount of heat [kcal] released when 50.0 g of steam at 100 °C hits the skin, condenses, and cools to a body temperature of 37 °C.
1)WhenH2(g)reacts withC2H4(g)to formC2H6(g),137kJ of energy areevolvedfor each mole ofH2(g)that reacts. Write a balanced thermochemical equation for the reaction with an energy term in kJ as part of the equation.
How many grams of F2 are needed to produce 157 g of PF3 if the reaction has a 79.8% yield?
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