subject
Chemistry, 16.10.2019 16:10 lil8174

A125 ml sample of 1.33 m hcl and 225 ml of 0.625 m naoh, both initially at 24.4 c are allowed to react in a calorimeter. what is the final temperature in the calorimeter? (heat of rxn=-57.2 kj) (ans: 29.9 c)

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 21.06.2019 22:30
1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →
Answers: 3
question
Chemistry, 22.06.2019 07:40
22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g
Answers: 1
question
Chemistry, 22.06.2019 22:20
Asuspension of yeast cells is being grown under anaerobic conditions such that glucose is degraded to ethanol and carbon dioxide. if one wishes to follow this process by monitoring the release of 14co2, at which positions in the glucose molecule would the 14c label need to be incorporated?
Answers: 2
question
Chemistry, 23.06.2019 06:00
When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.
Answers: 1
You know the right answer?
A125 ml sample of 1.33 m hcl and 225 ml of 0.625 m naoh, both initially at 24.4 c are allowed to rea...
Questions
question
Mathematics, 09.03.2020 16:20
question
Mathematics, 09.03.2020 16:20
question
Mathematics, 09.03.2020 16:21
question
Mathematics, 09.03.2020 16:22
Questions on the website: 13722360