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You need to dissolve CaCl2 in water to make a mixture that is 41.0% calcium chloride by mass. If the total mass of the mixture is 363.9g what masses of CaCl2 and water should be used?
consider the gaseous reaction at 347 celsius N2+3H2-->2NH3 if 2.00 mole of N2 and 3.00 mole of H2 react, which of the two reactants is the limiting reagent.
Silver chloride crystallizes with the sodium chloride (rock salt) structure. The length of a unit cell edge is 555 pm. What is the density of AgCl? Show all works.
The specific heat capacity of solid copper metal is 0.385 J/g-K. How many joules of heat are needed to raise the temperature of a 1.55-kg block of copper from 33.0C to 77.5C?
Identify each of the following as a substance that is part of the citric acid cycle, electron transport, or both:
Use the octet rule to predict the formula of the simplest compound formed from hydrogen and silicon.
A 0.9161 g sample which contained monoprotic lactic acid, was dissolved in 75.0 ml of water and titrated to the equivalence point with 32.25 ml of a 0.1057 m NaOH solution.
What is the standard free energy of the cell. Is this process spontaneous or non-spontaneous. It makes sense that in order to produce electricity, the plant's redox process should be spontaneous.
Since cereal sample may have other materials other than Fe that absorbs light. Using cereal sample as the blank can eliminate these absorption so that the transmittance was solely due to Fe.
Calculate the volume of carbon dioxide at 20.0 degrees C and 0.910 atm produced from the complete combustion of 5.00 methane. Compare your result with the volume of CO2 produced from the complete combustion of 5.00 kg of propane (C3H8)
NH3 can react with BF3, forming NH3¾BF3. In this reaction, 1) NH3 acts as a Brønsted base, accepting a proton from the BF3 molecule. 2) NH3 acts as a Lewis base, donating a proton to the BF3 molecule
How many grams of Na3PO4 will be needed to produce 350ml of a solution that has a concentration of Na+ ions of 0.900.
Over the time interval 300 to 400 seconds, the rate of reaction with respect to A is delta[A]/delta t =3.7 x 10^-5M/s. Over the same time interval what is the rate of reaction with respect to B,
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