Chemistry, 10.07.2019 21:10 michaelwilliams1356
Grace is given a piece of wood, an iron nail, and a styrofoam cup. she puts these objects into a bucket of water and observes that the nail sinks to the bottom, the wood floats just under the surface, and the cup floats on top of the water. what property is being demonstrated by this experiment.
Answers: 1
Chemistry, 22.06.2019 10:30, officialalex6330
Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o
Answers: 1
Chemistry, 22.06.2019 11:00, snowprincess99447
Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.
Answers: 1
Chemistry, 24.06.2019 00:00, keagank
Adam wants to work in the field of forensic science and follow the rules for handling evidence. which organization can he join to fulfill this aspiration? international academy of forensic science national academy of sciences national academy of forensic science national science academy
Answers: 2
Chemistry, 24.06.2019 02:00, LittlestRedTeal8940
How many molecules of co are produced when 2.73 moles of hpo3 react? 4hpo3 + 12c > 2h2 + 12co + p4
Answers: 1
Grace is given a piece of wood, an iron nail, and a styrofoam cup. she puts these objects into a buc...
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