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Bad White [126]
3 years ago
9

What is the correct description of lactic acid fermentation

Chemistry
1 answer:
kkurt [141]3 years ago
8 0

Answer:

Explanation:

a

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Expressed in the correct number of significant figures the sum of 0.53 cm + 75.321 cm + 28.1 cm =
Nadya [2.5K]

Answer:

\boxed{\text{104.0 cm}}

Explanation:

When adding or subtracting values, you must round your answer to the same "place" as the measurement with its last significant figure furthest to the left.  

That is, you round off to the same number of decimal places as the measurement with the fewest decimal places.

\begin{array}{r|l}0.5& \text{3 cm}\\+ 75.3& \text{21 cm}\\+ 28.1 & \quad\text{cm} \\= 103.9 &\text{51 cm}\\\end{array}

The measurement of 28.1 cm has one digit after the decimal point, so you round the sum to have only one digit to the right of the decimal.

However, the number to be dropped (51) is greater than 5 with only zeros or nothing following the 5.

You must round up the answer. You increase the last significant digit by one.

\text{The sum is $\boxed{\textbf{104.0 cm}}$}

5 0
3 years ago
Using noble gas notation write the electron configuration for the chromium(II) ion
zzz [600]
Since chromium has 24 as its atomic number (which mean that it has 24 proton and 24 electron in neutral ground state), the electron configuration for the chromium would be :

1s^2 , 2s^2 , 2p^6 , 3s^2, 3p^6 , 3d^5 , 4s^1
6 0
3 years ago
How would a long period without sunlight affect the food web?
zhuklara [117]

Answer: it would stop producers from producing food.

Explanation: why? Without the action of the producers to turn sunlight into food, the producers would die, and consumers that rely on them would lose their food source and die too.

7 0
2 years ago
Read 2 more answers
13C and 14C are isotopes of 12C, which has 6 electrons, 6 protons, and 6 neutrons. What is the arrangement of subatomic particle
Degger [83]
6 electrons, 6 protons, and 8 neutrons.
This is because in isotopes of the same element proton and electron number are the same, it is only the number of neutrons that changes.
5 0
3 years ago
Volcanoes and earthquakes are similar because they can occur from which of the following events?
KIM [24]

Answer:

A, Plate boundary movements.

Add-on:

hope this helped at all.

6 0
2 years ago
Read 2 more answers
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