Chemistry, 02.06.2021 17:40 dfrtgyuhijfghj3496
Which of these events is likely to have caused the mass extinction of the dinosaurs?
A. An increase in Earth's overall temperature
B. A large volcanic eruption on nearby islands
C. The fallout of a meteor colliding with Earth's surface
D. Rising sea levels flooding low-lying coastlines
Answers: 1
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Why did southern business leaders want to increase the number of slaves
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Chemistry, 22.06.2019 06:30
The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide
Answers: 3
Chemistry, 23.06.2019 03:00
What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients
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Chemistry, 23.06.2019 06:00
What volume of 0.500 mol/l hydrochloric acid, hci (aq) is required to react completely with 1.00 g of aluminum hydroxide, ai(oh)3 (s)?
Answers: 1
Which of these events is likely to have caused the mass extinction of the dinosaurs?
A. An increase...
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