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Molar Mass of Solute Using Freezing Point Drepression:
What is the freezing point of 4.17 kg of water if it contains 207.4 g of CaBr2? The freezing point depression constant for water is 1.86 oC/m and the molar mass of CaBr2 is 199.89 g/mol.
If your front lawn is 15.0 feet wide and 20.0 feet long, and each square foot of lawn accumulates 1350 new snow flakes every minute, how much snow (in kilograms) accumulates on your lawn per hour?
Calculate the energy needed to convert 50.0 g methane (CH4) from a solid at --100.°C to a liquid at 25°C.
Compute the thermal-equilibrium values of hole and electron concentrations while Considering a homogeneous gallium arsenide semiconductor at the given temperature of T = 300 K with Nd = 1016 cm-3 and Na = 0?
NiCl2(aq)+ 2NaOH(aq)---> Ni(OH)2(s)+ 2NaCl(aq) how many grams of Ni(OH)2 are produced from the reaction of 35.0 mL of a 1.75M NaOH solution and excess of NiCl2.
Draw the two possible products of the reaction between benzaldehyde and ethylpropylketone
a small immersion heater is used to heat water for a cup of coffee. we wish to use it to heat 236 ml of water about a
Problem- Consider the following reaction in a closed reaction flask. If 1.00 atm of gas A is allowed to react with 1.00 atm of gas B and the reaction goes to completion at constant temperature and volume,
Draw a six carbon alkyne that can exist as diastereomers. The molecule should only contain only carbon
Considering Lewis structures, which of these compounds possesses a single unpaired electron?
question gas is confined in a tank at a pressure of9.8atm and a temperature of26.5degc. if two-thirds of the gas is
Explain fructose solution with a concentration f 80mg/ml, but need to take 3.5L of fructose solution with a concentration of 300 mM.
Does the complex ion [Rh(H2O)2(en)2]3+ exhibit geometrical isomerism and Why. Does it exhibit optical isomerism and why.
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