Chemistry, 02.08.2019 06:40, leo4687

36g of an alloy of copper and zinc contains 45% copper. how much pure copper do you need to add in order to get a 60% copper alloy?

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 05:00, hjamya17

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

Answers: 1

continue

Chemistry, 22.06.2019 18:30, TaraC

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes

Answers: 1

continue

Chemistry, 22.06.2019 22:40, destineysarah

Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent

Answers: 1

continue

Chemistry, 22.06.2019 23:10, carmenguabaoql9kv

Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium. b)heavier than helium. c)the same weight as helium. d)dependent on the element that reacted with carbon.

Answers: 3

continue

Do you know the correct answer?

36g of an alloy of copper and zinc contains 45% copper. how much pure copper do you need to add in o...