Chemistry, 09.07.2019 14:30 gloribellduran19
20 points give two examples of elements and two examples of compounds. (4 points) 16. consider a hypothetical reaction in which a and b are reactants, and c and d are products. if 22 grams of a completely reacts with 14 grams of b to produce 9 grams of c, how many grams of d will be produced? show all work! what law does this question demonstrate? (4 points) 17. honors only: give an example of a chemical formula and describe all of the information the formula tells you about the compound. (4 points)
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Chemistry, 21.06.2019 17:30
What are the major products produced in the combustion of c10h22 under the following conditions? write balanced chemical equations for each. a. an excess of oxygen b. a slightly limited oxygen supply c. a very limited supply of oxygen d. the compound is burned in air
Answers: 2
Chemistry, 22.06.2019 18:00
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
20 points give two examples of elements and two examples of compounds. (4 points) 16. consider a hyp...
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