A cold pack is broken, allowing two chemical substances to mix, making the pack cold. Which statement accurately describes the flow of energy in this reaction?
Both of the substances are present at the end of the reaction, each with more energy than before the reaction.
The surroundings gain energy from the system.
The system gains energy from the surroundings.
Energy flows from one of the substances to the other with no change in energy of the system.
Answers: 3
Chemistry, 22.06.2019 14:40
Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products
Answers: 2
Chemistry, 22.06.2019 17:30
Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?
Answers: 2
Chemistry, 23.06.2019 00:00
Predict the relative bond lengths of the three carbon-oxygen bonds in the carbonate ion (co2−3). what would you expect the charge to be on each oxygen? match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.
Answers: 3
Chemistry, 23.06.2019 00:10
In as 1°, 2°, 3°, or 4°. be to . : °b: °c: °d: ° : °b: °c: °d: ° : °b: °c: °d: °e: °f: °g: °h: ° : °b: °c: °d: °e: °f: °g: °h: °i: °
Answers: 3
A cold pack is broken, allowing two chemical substances to mix, making the pack cold. Which statemen...
Geography, 13.04.2021 01:50
Mathematics, 13.04.2021 01:50
English, 13.04.2021 01:50
Mathematics, 13.04.2021 01:50
Mathematics, 13.04.2021 01:50