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If 75.0 grams of metal at 75oC is added to 150 grams of water at 15.0oC, the temperature of the water rises to 18.3oC. Assuming no heat loss to the surroundings, explain what is the specific heat of the metal in J/goC? Use 4.2 J/goC for the specific heat of water.
The acid required 19.3mL of base to reach the equivalence point, The molar mass of the acid is 73g/mol. What is the Ka, if after adding 12.0mL of base, the pH was measured to be 5.10.
a a 10.0 g sample of a mixture of methane ch4 and ethane c2h4 reacts with oxygen at 25c and 1 atm to produce carbon
a student placed 17.5 g of glucose in a volumetric flask added enough water to dissolve the glucose by swirling then
a.how many grams of calcium chloride would you need to add to 1liter of solution to make a 1 molal solution?b. how many
Suppose you inserted a piece of an unknown metal into a solution of zinc (II) nitrate and observed no reaction. Then if you inserted the unknown piece of the metal into the solution of iron (III) chloride a deposit formed on the bottom of the well..
A ball thrown at an initial angle of 37 and initial velocity of 23.0m/s reaches a maximum height. With what initial speed must a ball be thrown straight up tp reach the same maximum heaight
From your calculation of the specific rotation for L-erythrose 4-phosphate in Q4. above determine the specific optical rotation, [?]D for D-erythrose 4-phosphate? A) -100 B) -10 C) 100 D) 10 E) -1
Explain which of the following mixtures would result in a buffered solution when 1.0 L of each of the two solutions is mixed
Solubility of a gas in water depends on Nature of the gas - Pressure of the gas
Your are asked to prepare a 0.8500 M solution of aluminum nitrate. You find that you only have 50.00 g of the solid. If 2.500 L of the prepared solution is required, how much more aluminum nitrate would you need
what purpose does the addition of bromine serve in the procedure described for the isomerization of dimethyl maleate
how many grams of cano32 can be produced by reacting excess hno3 with 7.40 g of caoh2?a 32.8 gb 8.22 gc 10.2 gd 16.4 ge
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