Chemistry, 12.11.2019 01:31 zoeyandblaze
Of the elements pt, sc, v, and kr, which is a nonmetal?
Answers: 1
Chemistry, 21.06.2019 15:30
If 200.0g of copper(ll) sulfate react with an excess of zinc metal, what is the theoretical yield of copper
Answers: 1
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 20:00
The volume of a single vanadium atom is 9.29ร10-24 cm3. what is the volume of a vanadium atom in microliters?
Answers: 3
Chemistry, 23.06.2019 12:00
Which of the following statements is true? a. most heat energy is easily recovered and used for useful actions. b. friction causes molecules to vibrate more slowly. burning air and gasoline in an c. engine changes chemical energy into mechanical energy. it is impossible to d. change mechanical energy into mechanical energy.
Answers: 1
Of the elements pt, sc, v, and kr, which is a nonmetal?...
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