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Description of Intermolecular forces
What parts of the calcium chloride are attracted to what parts of the water molecule when calcium chloride dissolves in water with the right kind of electrical attraction?
Calculate the final temperature when a 16.4 gram sample of ice at 0oC is placed into a styrofoam cup containing 126 grams of water at 72.7 oC. Assume that there is no loss or gain of heat from the surroundings.
Acrylonitrile, C3H3N (53.07 g/mol), is used in the synthesis of a variety of plastics. What mass of acrylonitrile can be produced from a mixtur.
Magnesum metal will burn in carbon dioxide gas to produce carbon and magnesium oxide. What mass of magnesium will react with a 250.0 ml container of carbon dioxide gas at 77.0 degrees celsius and 65.0 kPa.
A 155 mL sample of rainwater is titrated using 0.0095 M NaOH solution. If 4.8 mL of the NaOH solution was required to reach the endpoint, what was the pH of the rainwater?
A gas occupying 28 mL at standard conditions is heated to 13?C while the pressure is reduced to 0.84119 atm. What is the new volume occupied by the gas.
Estimate the thickness of the lipid bilayer in a biological membrane - Estimating the thickness of a membrane by using bond distance.
for a certain change the value of U is -2.37 kJ. During the change, the system absorbs 650 joules. how much work did the system do.
A mixture of twenty five grams of potassium nitrate(KNO3) and two grams of CuSO4*5H20 with 11.5 grams of water at 100 degree celcius temperature, 15 g ramsof water are mixed.
0.10 mol of argon gas is admitted to an evacuated 50cm^3 container at 20C. The gas then undergoes an isobaric heating to a temperature of 300C.
Consider the following reaction, where X represents and unknown element. 6X(s) + 2B2O3(s0 = B4X3(s) + 3XO2(g) If 165 grams of X reacts completely with diboron trioxide to rproduce 2.29 mol of B4X3.
A gaseous mixture of Oxygen(O2 )and Nitrogen(N2 )contains 40.8 grams N2(nitrogen) by mass then determine what is the partial pressure of O2(oxygen) in the mixture if the total pressure is given= 345 mmHg.
How many possible trisubstituted derivatives C6H3X2Y can be obtained from the para disubstituted benzene C6H4X2?
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