Chemistry, 09.08.2021 20:40 angelakrill14091
An archeology student found a copper-colored coin at a dig. She determined that the mass of the coin is 4.33g and its volume is 0.48 cm^3. Is the coin copper? Explain your thinking
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Chemistry, 21.06.2019 21:30
Sex cells from female reproductive organ? 1) mitosis 2) fertilization 3) zygote 4) eggs 5) meiosis 6) sperm
Answers: 2
Chemistry, 21.06.2019 22:50
Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e
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Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)
Answers: 3
An archeology student found a copper-colored coin at a dig. She determined that the mass of the coin...
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