Which of these are physical changes in matter? check all that apply
boiling water
a pen...
Chemistry, 25.09.2019 05:30 broyochey1
Which of these are physical changes in matter? check all that apply
boiling water
a pencil being sharpened
exploding dynamite
freezing water
rotting cheese
Answers: 2
Chemistry, 22.06.2019 00:40
During which time interval does the object travel approximately 10 meters
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Chemistry, 22.06.2019 10:30
Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o โ k + o2 (b) na + i2 โ nai (c) cu(no3 )2 + naoh โ cu(oh)2 + nano3 (d) kclo3 โ kcl + o2 (e) ca(no3 )2 + hbr โ cabr2 + hno3 (f) sn(oh)2 โ sno + h2 o (g) p4 + n2 o โ p4 o6 + n2 (h) fe + al2 (so4 )3 โ feso4 + al (i) alcl3 + na2 co3 โ al2 (co3 )3 + nacl (j) c3 h6 + o2 โ co2 + h2 o
Answers: 1
Chemistry, 22.06.2019 15:00
Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 ยท 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 ยท 3h2o
Answers: 1
Chemistry, 22.06.2019 21:00
What is the chemical formula for the compound formed between sodium and flour one
Answers: 1
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