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Luden [163]
3 years ago
12

Two identical sister chromatids are held together at what

Chemistry
1 answer:
Svet_ta [14]3 years ago
6 0
  • After DNA duplication, the chromosome becomes composed of two identical structures, called sister chromatids, which are joined at the centromere area.

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The average atomic mass for any element will be closest to the average atomic mass of the ________ isotope.
dezoksy [38]

Answer:

Explanation:

The average atomic mass for any element will be closest to the average atomic mass of the __different______ isotopes.

To calculate the average atomic mass of any element, the mass spectrometry method helps to determine the proportion/percentage/fraction by which each of the isotopes of an element occurs in nature. The proportion is called the geonormal abundance or abundance. From this, the average atomic mass of an element from different isotopes can be calculated.

5 0
3 years ago
What is the pOH of a solution with [OH-] = 1.4 x 10-13?
lukranit [14]

Answer:

C. 12.85

Explanation:

just did

4 0
3 years ago
A gas at a constant temperature of 300. K, a pressure of 200. kPa, and a volume of 15.0L was decreased to a volume of 10.0 L. Wh
Vesnalui [34]

Answer:

300 kPa

Explanation:

P2=P1V1/V2

You can check this by knowing that P and V at constant T have an inverse relationship. Hence, this is correct.

3 0
3 years ago
1. Two boys balanced steady in a sea-saw game
anygoal [31]
Mutual

They are balanced steadily which means they’re at the same point
4 0
3 years ago
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Enter an equation for the formation of CaCO3(s) from its elements in their standard states. Enter any reference to carbon as C(s
kaheart [24]

Answer:

CaF2 + CO3- ----> CaCO3 + 2 F-

Explanation:

The chemical compounds found on the left side of the date are the reagents and those found on the right are the products, where calcium carbonate appears.

Calcium carbonate is a quaternary salt

6 0
3 years ago
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