Chemistry, 12.02.2020 00:52 faithtunison
Chalcocite is a mineral that contains 79.8% of copper. How many meter of wire with diameter of 0.1019 in can be produced from 5.23 lb of chalcocite?
Vcylinder = π*r2h, density of copper is 8.96 g/cm3, 1 lb=454 g
102 m
40.2 m
10.1 m
2.59 × 104
211 m
Answers: 2
Chemistry, 22.06.2019 00:00
Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating
Answers: 1
Chemistry, 22.06.2019 03:30
Select the correct answer. when carbon dioxide dissolves in water, it sometimes reacts with water to form carbonic acid as in this balanced equation: co2 + h2o → h2co3. if 495 milliliters of carbon dioxide at 25°c and 101.3 kilopascals reacts with excess water, what is the theoretical yield of carbonic acid? use the periodic table and the ideal gas resource a. 0.889 g b. 1.10g c. 1.27g d. 2.02g what's the answer! quick!
Answers: 1
Chemistry, 22.06.2019 06:30
Use examples from the article to explain one positive and one negative effect that chemistry has had on society.
Answers: 2
Chemistry, 22.06.2019 08:40
Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride
Answers: 1
Chalcocite is a mineral that contains 79.8% of copper. How many meter of wire with diameter of 0.101...
History, 26.10.2020 18:00
Mathematics, 26.10.2020 18:00
Physics, 26.10.2020 18:00
Mathematics, 26.10.2020 18:00
Chemistry, 26.10.2020 18:00
Mathematics, 26.10.2020 18:00
Mathematics, 26.10.2020 18:00
Mathematics, 26.10.2020 18:00