Chemistry, 04.02.2021 19:30 noname5359
Why is density a characteristic property of an object, but volume is not?
A. Characteristic properties are not measurable.
B. Characteristic properties do not depend on sample size.
C. Characteristic properties are obtained by combining simple properties.
D. Characteristic properties are affected by the force of gravity.
Answers: 1
Chemistry, 21.06.2019 17:10
Nitric oxide (no) can be formed from nitrogen, hydrogen and oxygen in two steps. in the first step, nitrogen and hydrogen react to form ammonia: n2(g) + 2 h_2(g) rightarrow 2 nh_3 (g) delta h = -92. kj in the second step, ammonia and oxygen react to form nitric oxide and water: 4 nh_3(g) + 5 o_2(g) rightarrow 4no(g) + 6 h_2o(g) delta h = -905. kj calculate the net change in enthalpy for the formation of one mole of nitric oxide from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .
Answers: 1
Chemistry, 22.06.2019 08:30
Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
Answers: 1
Chemistry, 22.06.2019 12:30
When a scientific theory has been tested and proved by the scientific community, it becomes a law
Answers: 2
Why is density a characteristic property of an object, but volume is not?
A. Characteristic propert...
History, 13.02.2020 20:20
Mathematics, 13.02.2020 20:20
English, 13.02.2020 20:20
Mathematics, 13.02.2020 20:20
Health, 13.02.2020 20:20
Mathematics, 13.02.2020 20:20
Computers and Technology, 13.02.2020 20:20