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EleoNora [17]
3 years ago
9

Science question down below

Chemistry
1 answer:
Otrada [13]3 years ago
5 0
Glycolysis yields 2 ATP molecules, Krebs cycle yields 2 ATP molecules, ETS yields 34 ATP molecules. 
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Describe how you would use the information depicted in the potential energy diagram below to determine the enthalphy change of t
Oliga [24]

When the formation of a substance is negative, it means that it releases heat to the surroundings. When it releases heat to the surroundings, the reaction is exothermic. When it absorbs heat from the surroundings, the reaction is endothermic.

5 0
3 years ago
Which of the following statements correctly describe the trends in ionic size?
8_murik_8 [283]

the spin quantum number has values+1212 of -1212 describes the trends in ionic size.

spin quantum is denoted by (s) as it represents the electronic configuration of the atom and the ionic size also depends on the electronic configuration of the sub-shells of the atom like l, m, n, s.

ionic size increases as the electronic configuration increases because the electron adds as we move up to a higher atomic number

all the other quantum numbers may vary from atom to atom but the spin quantum number remains either +1212 or -1212. it also describes the orientation of the electrons in an atom and the axis of electrons in an atom.

learn more about quantum number here;

brainly.com/question/2292596

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8 0
9 months ago
4. Calorimetry can be used to determine the specific heat capacity of different substances (not just metals). Using the online c
olya-2409 [2.1K]

Answer:

the specific heat capacity of ethanol is 2.4608 J/g°C

The variation in the final temperature is due to the rate of heat lost. Calorimeters do not dissipate or absorb energy

Explanation:

the solution is in the attached Word file

Download docx
8 0
2 years ago
If a farmer wants to increase the health of his crops, he could apply a nitrogen-based fertilizer. why is nitrogen important to
Finger [1]
Not only for plants, but also for every organism and every life form nitrogen is important because  it poses as catalyst that supports different is chemical reactions of growth. N is filled with chlorophyll that actually gives you the answer on the question as chlorophyll allow plant to perform photosynthesis by absorbing energy from light that leads to the growth. So, it is important because it provides <span>photosynthesis.</span>
8 0
2 years ago
Calculate the number of Calories present in a chocolate chip cookie that contains 19 g carbohydrate, 3 g protein, and 9 g fat.
agasfer [191]
Im unsure :( maybe try looking up a calorie calculator
5 0
3 years ago
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