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tino4ka555 [31]
3 years ago
8

Please answer this so I can proceed.

Chemistry
2 answers:
Oduvanchick [21]3 years ago
7 0

Answer:

you may proceed now

Juliette [100K]3 years ago
3 0

Answer what?? I don't see anything.

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Can anyone help me with this?
stiv31 [10]

Go To ScHoOl tO LeArN

8 0
4 years ago
Which of the fallowing scientific claims about the bond in the molecular compound HF is most likely to be true?
DENIUS [597]

The bond is highly polar is the scientific claim about the bond in the molecular compound HF is most likely to be true.

The term polar means that there is separation of charges, the bonds will be the more polar the greater the difference in electronegativity between the bonded atoms.

  • In hydrogen fluoride, for example, F is more electronegative than H because its nucleus, with 9 positive charges, attracts e-shares with H more strongly than the nucleus of H, with only one positive charge.

  • Therefore, the e- shared by covalence will be closer to F than to H and the molecule forms a permanent dipole.

Therefore, we can conclude that the bond is highly polar is the scientific claim about the bond in the molecular compound HF is most likely to be true.

Learn more here: brainly.com/question/6205088

6 0
3 years ago
A student investigated the time taken for amylase to breakdown a 10% starch solution into glucose at
Mandarinka [93]

Answer:

Phenolphthalein is an indicator. It is pink in alkaline solutions and turns colourless as the pH decreases.

It can be used to measure the activity of the enzyme lipase on the breakdown of lipids.

Samples of milk containing phenolphthalein were incubated with lipase at different temperatures.

The time taken for the phenolphthalein to turn colourless was recorded and used to calculate the rate of enzyme activity.

Figure 10 shows these results.

Picture

(a) (i) Explain why phenolphthalein turns colourless when lipase breaks down the lipids in milk. (2)

(ii) Describe the effect of temperature on the activity of lipase, as shown in Figure 10. (2)

(iii) Explain why the activity of lipase changes above a temperature of 40°C. (2)

(b) A student investigated the time taken for amylase to breakdown a 10% starch solution into glucose at 37°C. The student repeated the investigation five times.

7 0
3 years ago
Can u pls help me with this question ​
ziro4ka [17]
I think it is A as solid atoms are close and gases are far away
8 0
3 years ago
Blink your eyes. Was work done? Explain your answer in 1 paragraph.
Zinaida [17]

Answer:

Yes work was done because it takes many muscles to blink. I didn't put it in a paragraph bc I already answered this once.

Explanation:

4 0
3 years ago
Read 2 more answers
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