Chemistry, 31.12.2019 15:31 Alexandram2163
The website of a popular stargazers club notes that on wednesday the moon will rise at 6: 23 pm and set at 6: 12 pm on thursday. what is a mistake in this information?
a) the moon sets before 6: 00 pm everyday
b) the setting time should have been 6: 12 am
c) the moon rises only after 9: 00 pm everyday
d) it is difficult to predict when the moon would set
Answers: 3
Chemistry, 21.06.2019 22:30
1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 β 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl β 3. combine magnesium metal and hydrochloric acid solution. mg + hcl β 4. electrolysis (splitting) of water. h2o β 5. burning magnesium. mg + o2 β
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If two atoms are bonded to a central atom with no lone pairs,how will they be arranged
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Chemistry, 22.06.2019 12:30
Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?
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The website of a popular stargazers club notes that on wednesday the moon will rise at 6: 23 pm and...
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