Chemistry, 17.07.2019 07:30 Jaydenbaysinger122
Astudent measures the mass and volume of a sample of copper at room temperature and 101.3 kpa. the mass is 48.9 grams and the volume is 5.00 cubic centimeters. the student calculates the density of the sample. what is the percent error of the student's calculated density? 7.4% 8.4% 9.2% 10.2%
Answers: 1
Chemistry, 21.06.2019 20:30
Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground
Answers: 1
Chemistry, 21.06.2019 20:30
10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)
Answers: 2
Chemistry, 22.06.2019 18:00
Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?
Answers: 2
Chemistry, 22.06.2019 18:30
How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it
Answers: 3
Astudent measures the mass and volume of a sample of copper at room temperature and 101.3 kpa. the m...
Mathematics, 22.11.2020 06:30
Computers and Technology, 22.11.2020 06:30
English, 22.11.2020 06:30
Mathematics, 22.11.2020 06:30
Social Studies, 22.11.2020 06:30
English, 22.11.2020 06:30
Mathematics, 22.11.2020 06:30
English, 22.11.2020 06:30
Biology, 22.11.2020 06:30
Mathematics, 22.11.2020 06:30
Geography, 22.11.2020 06:30
Mathematics, 22.11.2020 06:30
Biology, 22.11.2020 06:30