Chemistry, 15.07.2019 12:00 PearlJam5492
You are a geologist studying an unusual rock formation in a recently discovered cave. in order to determine if the rocks contain the mineral calcite (cacao3) you test it by putting a few drops of hydrochloric acid (hcl) on it. the rock sample begins to fizz and bubbles form, indicating it contains calcite. what is this an example of? a. ability to rust b. chemical change c. physical change d. identity property
Answers: 1
Chemistry, 22.06.2019 04:30
Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water
Answers: 2
Chemistry, 22.06.2019 08:40
For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate
Answers: 3
Chemistry, 22.06.2019 11:40
Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?
Answers: 2
You are a geologist studying an unusual rock formation in a recently discovered cave. in order to de...
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