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Zanzabum
2 years ago
14

NaOH, 2.4x10-2 M Express your answer using two significant figures.

Chemistry
1 answer:
Harrizon [31]2 years ago
6 0

Answer:

mobile legends

Explanation:

<h2>kanalang</h2>
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correctly complete the following statement: The side chains ('-R groups') of amino acids in a beta-sheet: A. alternate pointing
Arlecino [84]

Answer:

A.  

Explanation:

The β-sheet is a twisted pattern in which the protein strands are laterally linked through hydrogen bonds. These β-sheet motifs are segments of 3 to 10 amino acids that are specially configured to form beta antiparallel strands. In β-sheet regions, the hydrogen bonds are localized among carbonyl and amino groups of the polypeptide backbone, and side chains (i.e., the R groups) are extended up and down in the plane of the β-sheet.

6 0
4 years ago
A piece of brass is found to have a mass of 24.32 g. When placed in a graduated cyclinder with an initial reading of 5.60 mL the
Jobisdone [24]

Answer:

\rho=3.1g/mL

Explanation:

Hello,

In this case, considering that the density of a body is computed given its mass and volume:

\rho =\frac{m}{V}

Taking into account that the mass is 24.32 g and the volume is computed via the difference between the volume of the water with the brass and the volume of water by itself as follows:

V=13.50mL-5.60mL=7.9mL

The density of the piece of brass turns out:

\rho =\frac{24.32g}{7.9mL}\\\\\rho=3.1g/mL

Best regards.

4 0
3 years ago
Does a part or slice of a substance have a different density than the whole piece?<br><br> Pls help!
Nostrana [21]
Density is defined as mass per unit volume so even when you cut an object in half unit volume does not change so each part would have a different density even if it’s cut into the same pieces
3 0
3 years ago
If 7.50 g of the unknown compound contained 0.250 mol of c and 0.500 mol of h, how many moles of oxygen, o, were in the sample?
Mice21 [21]
It would be 100.60 because we're adding like to the atmosphere it connects to lubricator and then it turns so that's 100.60
3 0
3 years ago
Chemical reactions can be detected by changes in_____. Select all that apply. temperature color overall mass of the products com
Butoxors [25]
Good morning

Chemical reactions can be detected by changes in : Temperature and color




Enjoy your day ! 

6 0
3 years ago
Read 2 more answers
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