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Pavel [41]
3 years ago
15

How many kilograms are 1.21 x 10^-6 moles of zinc ?

Chemistry
1 answer:
Svetradugi [14.3K]3 years ago
7 0

Answer: The answer is 2.3 x 10 4's.

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A sample of potassium nitrate (49.0 g) is dissolved in 101 g of water at 100 °C, with precautions taken to avoid evaporation of
kvasek [131]

Answer:

Saturated solution

Explanation:

Saturated solution is the solution in which no more solute can be dissolved at a particular temperature.

A amount of the solute, potassium nitrate is dissolved at elevated temperature and on cooling, it precipitates. It means that the solution is saturated at that temperature. <u>Precipitation of the solute at lower temperature indicates that the solution is saturated solution.</u>

8 0
3 years ago
The Top Thrill Dragster, a rollercoaster at Cedar Point in Ohio, soars through the air at 176ft/sec. How fast is this in mph?​
scoray [572]

Answer:

120mph

Explanation:

Google

divide the speed value by 1.467

or

176 times 60 second in a minute times 60 minutes in an hour

than divide by 5280 the amount of feet in a mile

7 0
2 years ago
**PLATO QUESTION, PLEASE ANSWER CORRECTLY, THANK YOU**
marta [7]

<em>PLATO ANSWERS: </em>

<u>A.</u> Which source of electricity generation caused the most emissions?

<u>B.</u> What types of industries are responsible for greenhouse gas emissions?

<u>C.</u> What caused the dip in greenhouse gas emissions in transportation after 2007?

<em>Hope I helped some, Have a great day!</em>

7 0
3 years ago
Read 2 more answers
Calculate the equilibrium constant for the decomposition of water 2h2o(l)  2h2(g) + o2(g) at 25°c, given that g°f (h2o(l)) = –
kow [346]

Answer:

2.6 ×10^-42

Explanation:

From

∆G= -RTlnK

∆G= -237.2 KJmol-1 or -237.2×10^3 Jmol-1

R= 8.314 Jmol-1K-1

T= 25°C + 273= 298K

-237.2×10^3= 8.314 × 298 × ln K

ln K= -237.2×10^3/2477.572

K = 2.6 ×10^-42

3 0
3 years ago
Which of the following sets of empirical formula, molar mass, and molecular formula is correct?
lutik1710 [3]

Answer:

CH4N, 90g, C3H12N3

Explanation:

3 0
3 years ago
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