4 years ago

What do bacteria elephants and plants have in common

Chemistry

1 answer:

kenny6666 [7]4 years ago

3 0

Answer:

The similarities among those beings are that they have a nucleic acid (DNA or RNA) and they do cellular respiration.

Explanation:

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2. Find the empirical formula for a compound which contains 32.8% chromium and 67.2%<br> chlorine.

Blababa [14]

The empirical formula is CrCl₃.

Explanation:

To find the empirical formula we use the following algorithm.

We divide each percentage by the atomic weight of each element:

for Cr 32.8 / 52 = 0.63

for Cl 67.2 / 35.5 = 1.89

The result will be divined by the smallest number:

for Cr 0.63 / 0.63 = 1

for Cl 1.89 / 0.63 = 3

The empirical formula is CrCl₃.

Learn more about:

empirical formula

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6 0

4 years ago

Calcium oxide (CaO) can react with carbon dioxide (CO2) in a synthesis reaction. Select the most likely products of this reactio

ser-zykov [4K]

Answer: CaCO3 reaction.

Explanation: CaO and combine together to result in the formation of calcium carbonate compound. we know it is a synthesis reaction.so we can conclude that the most likely products of Cao + co2 → CaCO3 reaction.

6 0

2 years ago

Please only answer if you know the actual thing, don't search it up! Are these correct? :P

makkiz [27]

Hey buddy I am here to help!

1. C

2. A

3. A & B

4. C

5. C

6. A

7. A

8. A & C

Hope it helps!

Plz mark brainlist!

4 0

3 years ago

Read 2 more answers

To which specific discipline are the fields of geology, materials, and nutrition best related? A.) Physics B.) Biology C.) Chemi

valentina_108 [34]

B. Biology is the answer

7 0

3 years ago

A hot metal is placed in 100.0 g sample of water and it causes the temperature of the water to increase from 25 C to 27 C. How m

Arisa [49]

Answer: $836.8\ J$

Explanation:

Given

Mass of water in the sample is $m=100\ g$

Temperature changes from $25^{\circ}C$ to $27^{\circ}C$

Change in temperature is $\Delta T=27-25=2^{\circ}C\ \text{or}\ 2\ K$

We know, specific heat of water is $c=4.184\ J/g-K$

Heat absorbed is given by

$\Rightarrow Q=mc\Delta T\\\Rightarrow Q=100\times 4.184\times 2\\\Rightarrow Q=836.8\ J$

Thus, water absorbs $836.8\ J$ of heat from hot plate.

5 0

3 years ago