Which of the following suggests a chemical change took place? *
A. The substance is smaller than it was before the change took place.
B. The substance has been shaken up.
C. The substance looks the same as it did before the change took place.
D. A new substance has formed.
Answers: 3
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Which change in temperature is the smallest? a change of 1 thomson degree a change of 1 kelvin degree a change of 1 fahrenheit degree a change of 1 celsius degree
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What volume does 1.70 ×10–3 mol of chlorine gas occupy if its temperature is 20.2 °c and its pressure is 795 mm hg?
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Asolution is made by dissolving 2.3 moles of sodium chloride (nacl) in 0.155 kilograms of water. if the molal boiling point constant for water (kb) is 0.51 °c/m, what would be the boiling point of this solution? show all the steps taken to solve this problem.
Answers: 1
Which of the following suggests a chemical change took place? *
A. The substance is smaller than it...
Mathematics, 11.03.2021 02:40
Mathematics, 11.03.2021 02:40
Mathematics, 11.03.2021 02:40
Mathematics, 11.03.2021 02:40