Chemistry, 27.09.2019 03:50 bigmess559
After learning about climate change in her science class, selena wants to make a few changes at home so she can affect climate change in a small way. which changes will give her the best results?
a. switch off appliances that are not in use.
b. study harder for school tests.
c. eat more nutritious foods.
d. recycle used books and magazines.
e. assist her father with household chores.
Answers: 2
Chemistry, 21.06.2019 20:30, mayamabjishovrvq9
1. calculate the approximate enthalpy of the reaction in joules. estimate that 1.0 ml of vinegar has the same thermal mass as 1.0 ml of water. iqnore the thermal mass of th sodium bicarbonate. note: it takes about 4.2 joules () to change 1.0 gram (1.0ml) of water 1.0 c
Answers: 2
Chemistry, 22.06.2019 10:00, melissa9882
A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?
Answers: 1
Chemistry, 22.06.2019 16:00, bbrogle5154
If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml
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After learning about climate change in her science class, selena wants to make a few changes at home...
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