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OLga [1]
3 years ago
8

____ is the amount of matter in an object. Question 1 options: Matter Gravitational Pull Mass Weight

Chemistry
1 answer:
saw5 [17]3 years ago
3 0

Answer:

mass or matter

Explanation:

i think

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Are atoms of gold the same as antoms of oxygen? yes or no?​
schepotkina [342]

Answer:

No they are not the same the are both di

8 0
3 years ago
The equations given in the problem introduction can be added together to give the following reaction: overall: N2O4→2NO2 However
Murljashka [212]

Answer:

Reverse the 2 NO_2 \longrightarrow 2 NO + O_2  reaction

Explanation:

Reactions:

2 NO_2 \longrightarrow 2 NO + O_2

N_2O_4 \longrightarrow 2 NO + O_2

Overall:

N_2O_4 \longrightarrow 2 NO_2

As can be seen, in the overall reaction we have N_2O_4 in the reactants like in the second reaction and NO_2 in the products. The NO_2 is in the first reaction but as a reactant so we need to reverse that reaction:

2 NO + O_2 \longrightarrow 2 NO_2

N_2O_4 \longrightarrow 2 NO + O_2

Combining:

N_2O_4 + 2 NO + O_2\longrightarrow 2 NO + O_2 + 2 NO_2

N_2O_4 \longrightarrow 2 NO_2

4 0
3 years ago
For full credit, show the details of each calculation below. Use more paper if needed.
vredina [299]

Answer:

Explanation:

1) a, b) A <em>solution</em><em> is a homogeneous mixture of two or more substances</em>. The <em>solute</em><em> is the substance present in a smaller amount</em>, and the <em>solvent</em><em> is the substance present in a larger amount. </em>

c) <em>A </em><em>saturated solution</em><em> contains the maximum amount of a solute that will dissolve in a given solvent at a specific temperature. </em>

2) See picture in attachment.

8 0
3 years ago
Does apple juice have acid
stepladder [879]
Yes, it has many natural acids. However, the biggest and most prominent acid is the organic acid, malic acid.
8 0
3 years ago
What is the ratio of [a–]/[ha] at ph 3.75? the pka of formic acid (methanoic acid, h–cooh) is 3.75?
Vikentia [17]

The formula for pH given the pKa and the concentrations are:

pH = pKa + log [a–]/[ha]

<span>
Therefore calculating:</span>

3.75 = 3.75 + log [a–]/[ha]

log [a–]/[ha] = 0

[a–]/[ha] = 10^0

<span>[a–]/[ha] = 1</span>

3 0
3 years ago
Read 2 more answers
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