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2 years ago

MARKING AS BRAINLIEST! LAST ATTEMPT.(2 questions in one photo )

Chemistry

1 answer:

elena55 [62]2 years ago

8 0

Answer:

b. carbon; c. glucose

Explanation:

"Nonetheless, all organisms are built from the same six essential elemental ingredients: carbon, hydrogen, "nitrogen, oxygen, phosphorus and sulfur (CHNOPS)." -lifescience

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Classify the following statements regarding the law of mass conservation as true or false.

Ahat [919]

True true false true

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4 years ago

In a tissue that metabolizes glucose via the pentose phosphate pathway, C-1 of glucose would be expected to end up principally i

Mnenie [13.5K]

Answer:

Carbon dioxide

Explanation:

In a tissue that metabolizes glucose via the pentose phosphate pathway, C-1 of glucose would be expected to end up principally in Carbon dioxide

5 0

2 years ago

Nacl is a formula unit made of 1 sodium (Na) atom and 1 chlorine (Cl) atom. What is the average mass of 1 molecule of NacI?

wariber [46]

The average mass is 58.44 g

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3 years ago

Which of the following molecules would be the best hydrogen bond donor?

leva [86]

Answer: Option (d) is the correct answer.

Explanation:

When a hydrogen atom comes in contact with an electronegative atom then it results in the formation of a chemical bond.

More is the electronegativity of combining atom, more stronger will be the bond with hydrogen atom. As a result, the compound formed will not easily give up hydrogen atom upon dissociation.

Whereas less is the electronegativity of atom combining with hydrogen atom, easily it will donate the hydrogen atom upon dissociation.

Since, out of the given option sulfur (S) atom has low electronegativity as compared to oxygen and nitrogen atom.

Hence, $CH_{3}SH$ will easily donate hydrogen atom.

Thus, we can conclude that $CH_{3}SH$ molecule would be the best hydrogen bond donor.

4 0

3 years ago

If you were to conduct an experiment to answer the question, "Does the volume of a caffeinated drink affect your reaction time?”

Ann [662]

Answer:

A Type of Drink

Explanation:

A controlled variable remains constant throughout the experiment.

In such experiment, you'd test the volume of one single caffeinated drink. You'd have to use the same type of drink every trial.

4 0

3 years ago