Chemistry, 20.05.2021 15:40, munchyswish
A 200-g sample of a metal absorbs 3,080 J as it is heated from 20°C to 60°C. What is the identity of the sample?
A. Iron
B. Aluminum
C. Gold
D. copper
Answers: 3
Chemistry, 21.06.2019 14:00, yselahernandez02
Can you reduce your impairment by drinking coffee or cold showers? true or false?
Answers: 3
Chemistry, 22.06.2019 00:30, S4NCHEZ28
Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants
Answers: 1
Chemistry, 23.06.2019 08:50, leah5981
Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas. caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible. relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)
Answers: 3
A 200-g sample of a metal absorbs 3,080 J as it is heated from 20°C to 60°C. What is the identity of...
History, 23.09.2020 03:01
English, 23.09.2020 03:01
History, 23.09.2020 03:01
Biology, 23.09.2020 03:01
Spanish, 23.09.2020 03:01
Mathematics, 23.09.2020 03:01
Physics, 23.09.2020 03:01
Mathematics, 23.09.2020 04:01
Mathematics, 23.09.2020 04:01