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If this energy were used to vaporize water at 100 ∘C, how much water in liters could be vaporized?
(Assume that the density of water is 1.0 g/mL.) The heat of vaporization of water at 100 ∘C is 40.7 kJ/mole.
1 AnswerChemistry3 years agoHow much heat is required to convert 4.88 g of ice at − 13.0 ∘C to water at 28.0 ∘C ?
(The heat capacity of ice is 2.09 J/g∘C, ΔHvap(H2O)=40.7kJ/mol, ΔHfus(H2O)=6.02kJ/mol)
1 AnswerChemistry3 years agoIf it takes 35.04 ml of a .2455 M NaOH Sol. To neutralize 25.00 ml of an unknown HCl Sol. What is the molarity of the HCl Sol.?
Will give ten point for best explanation and steps. ,
Chemistry3 years agoA solution is considered what?
A. A undefined entity B. An element C. A compound D. A homogenous mixture E. A heterogenous mixture. Why? Will give best answer
3 AnswersChemistry3 years agoHow many grams of magnesium cyanide would you need to weigh out in order to prepare 275 ml of a 0.325 M solution .?
Will give best answer to person who explains in steps.
1 AnswerChemistry3 years agoWhat volume in ml would 3.25 g of dinitrogen pentoxide occupy at a temperature of 273 K and 760 mm Hg?
A. 0.674 ml B. 34.5 ml C. 674 ml D. 453 ml E. 0.986 ml will give best answer to whoever gives explanation and steps.
1 AnswerChemistry3 years agoA sample of phosgene (COCl2) gas exerts a pressure of 325 mm Hg at 50.0 oC. What pressure would it exert in an atmosphere at 40.0 oC.?
A. 315 ATM B.0.332 ATM C. 252atm D. 0.414 ATM E. 367 ATM will give best answer to person who explains why the answer is the answer.
1 AnswerChemistry3 years agoWhen the pH of a solution is equal to 3.0,?
A. [H30+]<[OH-] B. [H3O+]>[OH-] C.[H3O+]+[OH-] D. [H3O+]=[OH-] E.[H3O+]\[OH-] will give best answer as to why the answer is the answer.
Chemistry3 years agoWhat is the hydroxide concentration of a 3.33*10-3 M hydrochloric acid solution.?
Will give best answer.
Chemistry3 years agoDuring a certain titration, it took 35.90 ml of .125 M Potassium hydroxide to exactly neutralize 25.00 ml of sulfuric acid.?
Determine the molarity of the acid given the balanced neutralization reaction: H2SO4(aq)+2KOH(aq)=2H2O(l) K2SO4(aq). Will give the best answer (10 points) to person who explains the best and gives steps. I will also give a thumbs up! Thanks
Chemistry3 years agoHow many ml of 1.80 M of hydrochloric acid are required to completely react with 30 grams of calcium hydroxide. Will give best answer...?
To person who explains the best and gives steps to problem.
1 AnswerChemistry3 years agoWhat is the molarity of a hydrochloric acid solution, if 15.78 ml of acid is needed to completely neutralize 10.0 ml of a .2000 M sodium....?
Hydroxide solution. Will give best answer to person who explains the best and gives steps. Thanks
1 AnswerChemistry3 years agoHow much heat in joules is required to raise the temperature of 50.0g of brass from 20°C to 65°C? The specific heat of brass is o.385 j/g°C.?
Will give the best answer (10 points) and a thumbs up to person who gives the best explanation and steps. Thanks
1 AnswerChemistry3 years agoA 25 more sample of calcium hydroxide was titrated with 12.76 ml of 0.0199 M hydrochloric acid. What is the concentration of the base.?
Will give ten points and a thumb up! For good explanations and steps on how to do the problem. Need help with chemistry. Thanks.
Chemistry3 years agoMg metal reacts with HCl to produce hydrogen gas: Mg(s)+2HCl(a)+H2(g).how many grams of Mg are needed to prepare 5.00 L of H2 at 735mm Hg...?
And 18°C. Whoever can explain in steps the best. I will give ten points (Best answer).
1 AnswerChemistry3 years agoA gas has a volume of 230 ml and a pressure of 560 torr. What must the pressure be in order for the gas to have a volume of 345 ml at the...?
Same temperature. Need someone to explain in steps. Will give best answer to person who explains the best
1 AnswerChemistry3 years agoWhat volume of a .1000 M hydrochloric acid solution is needed to neutralize 25.0 ml of a .350 M barium hydroxide solution.?
Best answer goes to person who explains in steps.
1 AnswerChemistry3 years ago