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3 years ago

Robots have been around since the 3rd century BC. At that time, they were mainly invented as toys to amuse the king or emperor.

Chemistry

2 answers:

Sergeeva-Olga [200]3 years ago

8 0

Answer:

B. I and II only

Explanation:

For example, unmanned space probes can gather information more easily than a human can.

Closer to home, many biochemical research and pharmaceutical industries use pipetting robots for their repetitive pipetting chores.

C is wrong. Machines can do things faster than any human ever could and not get tired, but humans possess the intelligence, expertise, and skills to use the robots most efficiently and to solve problems when things go wrong.

timama [110]3 years ago

6 0

A I think sorry if it’s wrong

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The body metabolizes glucose (C6H12O6) by burning it with oxygen to produce carbon dioxide, water and energy. If 3 moles of gluc

zhannawk [14.2K]

Answer: 18g

Explanation:

1 mle of glucose combusts to give 6moles of CO2 and 6moles of H2O

C6H12O6 + 6O2-------- 6CO2 + 6H2O at STP.

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Have heat waves ever affected the world in a way? Explain.

lubasha [3.4K]

Answer: Yes, they have.

Explanation: The frequency, severity, and length of heat waves are increasing. Heat and humidity already kill an average of 1,300 people in the U.S. each year. Deadly heat waves of at least 20 days affect 30% of the earth's population. That will increase to 75% by 2100 if global warming isn't stopped.

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3 years ago

PLEASE WILL GIVE BRAINLY IF I GET IT CORRECT

wel

Answer:

Inferred that fossils were once part of living animals.

Explanation:

He realized that seashells that were from rocks were identical to ones on a beach.

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3 years ago

5. The number of atoms in 9.2 g of Na will be: A. 6.2 x 1023 atoms B. 2.408 x 1023 atoms C. 9.2 x1023 atoms D. 23 atoms E. 9.2 a

cluponka [151]

Answer:

The answer is "Option B"

Explanation:

Formula:

Na atoms= Na atoms moles \times NA

$= \frac{mass}{Na \ Molar\ mass} \times 6.022 \times 10^{23}\\\\= \frac{9.2}{23} \times 6.022 \times 10^{23}\\\\=0.2875 \times 6.022 \times 10^{23}\\\\=2.4 \times 10^{23}\ atoms \\\\$

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3 years ago