Which of these are physical changes in matter chech all that apply
boiling water
a penci...
Chemistry, 01.09.2019 01:20 mstrish71oteauw
Which of these are physical changes in matter chech all that apply
boiling water
a pencil being sharpened
exploding dynamite
freezing water
rotting cheese
Answers: 1
Chemistry, 22.06.2019 06:00
An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g
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How are casts formed by decaying organisms? organisms turn into rock over time. organisms leave carbon residue on a rock. organisms leave impressions in sediment that hardens into rock. impressions left by organisms are filled in with sediment that hardens into rock.
Answers: 2
Chemistry, 23.06.2019 14:00
How much would you need to weigh out in order to have 0.2moles of magnesium atoms?
Answers: 1
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