Chemistry, 25.02.2021 23:00 aletadaboss
A student has a block of wood. She places it on a wooden desk. She uses a spring scale to measure how much force is needed to slide the block of wood across the desk. The student then places the block of wood on a piece of sandpaper and repeats the process. The type of force
the student is investigating is .
A. gravitational
B. magnetic
C. electricity
D. friction
Answers: 2
Chemistry, 21.06.2019 15:50
Which of these reactions are redox reactions? check all that apply.cd + hcl → cdcl2 + h2cucl2 + na2s → 2nacl + cuscaco3 → cao + co2 2zns + 3o2 → 2zno + 2so2 ch4 + 2o2 → co2 + 2h2o
Answers: 3
Chemistry, 21.06.2019 22:30
Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l
Answers: 3
Chemistry, 22.06.2019 03:40
Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.
Answers: 3
Chemistry, 22.06.2019 09:30
What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.
Answers: 2
A student has a block of wood. She places it on a wooden desk. She uses a spring scale to measure ho...
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