True ot fauls
1. Precise measurements are all about the same.
2. In the number 6.300 the zer...
True ot fauls
1. Precise measurements are all about the same.
2. In the number 6.300 the zeros aren’t significant.
3. To change a material from liquid to gas we need to increase its temperature.
4. Melting is the phase change from liquid to gas.
5. Water, without salt in it, is accurately described as pure.
6. Pure elements contain atoms of different atomic numbers.
7. 1 gram is equal to 1000 milligrams.
8. 1 gram of water has a volume of 1 cm3 meaning water has a density of 1 g/cm3.
9. Solutions can be filtered to separate the parts present.
10. The combination of materials with different properties is a mixture.
Answers: 1
Chemistry, 22.06.2019 11:40
Consider this equilibrium: n29) + o2(g) + 2no(c).nitrogen gas and oxygen gas react when placed in a closed container. as the reaction proceeds towards equilibrium, what happens to the rate of thereverse reaction?
Answers: 1
Chemistry, 22.06.2019 15:30
Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.
Answers: 2
Chemistry, 22.06.2019 15:40
Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n
Answers: 2
Chemistry, 22.06.2019 19:50
What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5hz a 250 m b 0.1 m c 10m d 0.01 m
Answers: 2
Social Studies, 06.05.2020 07:26
History, 06.05.2020 07:26
Mathematics, 06.05.2020 07:26
Mathematics, 06.05.2020 07:26
Mathematics, 06.05.2020 07:26
Mathematics, 06.05.2020 07:26
Mathematics, 06.05.2020 07:26
Chemistry, 06.05.2020 07:26
Mathematics, 06.05.2020 07:26