Chemistry, 05.03.2021 20:00 desstinee863
As water changes state, the water either absorbs or releases energy. Which of these answers is a process that releases energy?
Ice subliming
Snow melting
Lake water freezing
Ocean water evaporating
Answers: 3
Chemistry, 21.06.2019 17:30
Which term describes a fracture in the earth at which land stays in the same place? a. joint b. fault c. split d. hinge
Answers: 1
Chemistry, 22.06.2019 08:30
What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots
Answers: 3
Chemistry, 22.06.2019 17:10
Acalorimeter is to be calibrated: 51.203 g of water at 55.2 degree c is added to a calorimeter containing 49.783 g of water at 23.5ļ°c. after stirring and waiting for the system to equilibrate, the final temperature reached is 37.6 degree c. specific heat capacity of water (s = 4.18 j/gādegree c). calculate the calorimeter constant. (smĪ“t)warm water = -[(smĪ“t)cold water + (calorimeterĪ“tcold water)]
Answers: 2
Chemistry, 22.06.2019 18:30
Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons
Answers: 3
As water changes state, the water either absorbs or releases energy. Which of these answers is a pro...
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