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Liquid sodium is being considered as an engine coolant. How many grams of liquid sodim (minimum) are needed to absorb 4.70 MJ of energy (in the form of heat) if the temperature of the sodiumis not to increase by more than 10.0 C? Use Cp = 30.8 J/(K *mol) for Na(l) at 500k.
The specific heat capacity of the solution produced was 4.20J/g*Celcius, and final temp reached was 34.91 degrees c. How much heat was produced by the dissolution
what would be the chemical equation to this problem? In an investigation of the reaction between copper(II) ions, Cu2+, and hydrazine, N2H4, in alkaline conditions the following observations were made: 25 mL of a solution containing 25 g/L CuSO4.5..
you are taking a walk when a bid mean dog growls and begins to chase you. The increased epinephrine will increase? a glycolysis in the liver b glycolysis in the muscle
Calculate how many gallons of the strong vinegar would need to be added to the 10,000 gallons of the weak vinegar to obtain a solution that is the appropriate 5.10% acetic acid by mass.
a chemical engineering company forgot to coat the inside of a magnesium tank designed to hold hydrochloric acid. what would happen if this is a closed tank and how would you go about fixing the problem
A cylindrical bar of metal having a diameter of (4.740x10^0) mm and a length of (9.9406x10^2) mm is deformed elastically in tension with a force of (1.281x10^4) N.
A canister is filled with 320 g of ice and 100. rm g of liquid water, both at 0 rm{^{circ}C} . The canister is placed in an oven until all the rm H_2O has boiled off and the canister is empty. How much energy in calories was absorbed?
it is found that 1.431g of element x ciontains 7.509 *10^21 atoms. calculate the atomic mass of x
The mixture of saltwater and ice around the ice cream bucket in the ice cream machine is at a temperature of -8.40C. What mass of sodium chloride would be found in 1,477 grams of this solution?
the solubility of barium carbonatebaco3 is .0100 gl . its molar mass is 197.6. what is the ksp of barium
Buffer solution Problem to determine pH, Determine the pH after the addition of 10.0ml of 0.1M NaOH to 100.00ml of this buffer. An aqueous solution of 100.0ml 0.100M NaCl is titrated with 0.100M AgNO3 (AgCl Ksp= 1.0x10^-10) pAg=-log[Ag+]
apply to NHCl3. A. polar bonds B. nonpolar molecule C. triangular-planar molecule shape D. sp2 hybirdized
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