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egoroff_w [7]
3 years ago
7

Based on the volumes of solutions you mixed together for your six kinetics runs, you have found the three runs where the [H3O+ ]

is constant. The values for [Sn2+ ], and kexpt are as follows: Species: Run a , Run b , Run c [Sn2+ ]: 0.0063 , 0.0083 , 0.0123 kexpt : 2.96e−7 , 6.69e−7 , 2.14e−6 Plot in Excel on the x-axis the ln [Sn2+ ] and on the y-axis the ln kexpt and fit it to a linear trend line in Excel. Input in the field below what is exponent that [Sn2+ ] is raised to in the rate law expression (this is the slope of this fit - write in exactly what Excel tells you the slope is).
Chemistry
1 answer:
dybincka [34]3 years ago
6 0
Gmmvmfygshbsknwgzs. Shhsmmagd. Sgdmdhsmmd. Hjshhe jisksv
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. The ring shape of the Cartwheel Galaxy is due to:
dlinn [17]

The ring shape of the Cartwheel Galaxy is due to collisions with another galaxy.

<h3>What causes the ring shape of the Cartwheel Galaxy?</h3>

The unusual shape of the Cartwheel Galaxy is due to a collision with a smaller galaxy. The recent star burst has lighted up the Cartwheel rim which has a diameter larger than that of the Milky Way galaxy in which our planet exists. The Cartwheel Galaxy is a lenticular ring galaxy which is about 500 million light-years away. This galaxy was discovered by Fritz Zwicky in the year 1941.

So we can conclude that the ring shape of the Cartwheel Galaxy is due to collisions with another galaxy.

Learn more about galaxy here: brainly.com/question/13956361

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7 0
1 year ago
Explain in your own words what empirical evidence is.
zhuklara [117]
Empirical evidence is information acquired by observation or experimentation
4 0
3 years ago
Read 2 more answers
CHEM PLZ HELP
marusya05 [52]

Answer:

Increase in CO2 (g) over time.

No NaHCO3 (s) will be left after a time

Explanation:

The reaction, shown below;

2NaHCO3(s) → Na2CO3(s)+CO2(g)+H2O(ℓ) is a decomposition reaction. A decomposition reaction is a kind of chemical reaction in which a given chemical specie breaks up to give other chemical species. Decomposition may be induced by heat or light.

Usually, there is only one reactant in a decomposition reaction; the specie that disintegrates into the products. This reactant usually decreases in concentration steadily because it is converted into products. This is why the mass of NaHCO3(s) in the system continues to decrease steadily until it finally falls to zero.

Conversely, the concentration (for aqueous) or volume (for gases) or mass (for solid) products of the reaction increases steadily as the reaction progresses. This explains why the volume of CO2 in the system will steadily increase over time.

7 0
3 years ago
9.69×10^25 formula units of iron(III) nitrate is equal to how many moles of Fe(NO3)3?
scoray [572]

Answer:

160.9 mol ≅ 161.0 mol.

Explanation:

  • It is known that every 1.0 mole of compound or element contains Avogadro's number (6.022 x 10²³) of molecules or atoms (formula units).

Using cross multiplication:

1.0 mole of Fe(NO₃)₃ contains → 6.022 x 10²³ formula units.

??? mole of Fe(NO₃)₃ contains → 9.69 x 10²⁵ formula units.

<em>∴ The no. of moles of He contains (9.69 x 10²⁵ formula units)</em> = (1.0 mol)(9.69 x 10²⁵ formula units.)/(6.022 x 10²³ formula units) = <em>160.9 mol ≅ 161.0 mol.</em>

6 0
3 years ago
A compound is 49 and 6.7 hydrogen and 53 oxygen what’s the empirical formula
Y_Kistochka [10]

Answer:

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Explanation:

4 0
3 years ago
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