Chemistry, 12.11.2019 12:31 thederpbro
Acompound has the formula ch3co2h. r how should the relative molecular mass, mr, of this compound be calculated? a 12 1 16b 3(12 1) 2(12 16) 1c (4 x 12) (2 x 1) 16d (2 x 12) (4 x 1) (2 x 16)
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The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!
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Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.
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Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.
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Acompound has the formula ch3co2h. r how should the relative molecular mass, mr, of this compound be...
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