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QveST [7]
3 years ago
9

1. How many particles are present in 800 grams of copper (II) sulfide, CuS? The molar mass of CuS is 95.611 g/mol.

Chemistry
1 answer:
wel3 years ago
8 0
1-5.037077324x10^23

Use these magic triangles they will help you a lot

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1. What is the Charlotte?<br> A. A train<br> B. A car<br> D. An airplane<br> C. A ship
dybincka [34]

Answer:

B is the Charlotte

Explanation:

it is Charlotte because it has 4 wheels

4 0
2 years ago
The number 0.000402 expressed in scientific notation is
goldfiish [28.3K]

Answer:

hope its help you

Explanation:

4.02 x 10-4

3 0
3 years ago
What is boiling point​
frutty [35]

Answer:

Its the temperature at which the molecules of a matter especially a liquid attain higher kinetic energy and the rate of collision becomes increased

Explanation:

8 0
2 years ago
Classify the following as either an element, compound, homogeneous mixture or
masya89 [10]

Answer:

<h2>Heterogeneous</h2>

Explanation:

<h3><em>Milk </em><em>seems</em><em> to</em><em> be</em><em> </em><em>homogeneous</em><em> mixture</em><em> </em><em>but </em><em>actually</em><em> </em><em>milk </em><em>is </em><em>a </em><em>heterogeneous</em><em> </em><em>mixture</em><em> </em><em>and </em><em>a </em><em>colloid</em><em> </em><em>solution</em><em>.</em></h3>
8 0
2 years ago
The volume of a sample of oxygen is 200.0 mL when the pressure is 3.000 atm and the temperature is 37.0 oC. What is the new temp
attashe74 [19]

Answer:

Explanation:

Given:

V1 = 200 ml

T1 = 20 °C

= 20 + 273

= 293 K

P1 = 3 atm

P2 = 2 atm

V2 = 400 ml

Using ideal gas equation,

P1 × V1/T1 = P2 × V2/T2

T2 = (2 × 400 × 293)/200 × 3

= 234400/600

= 390.67 K

= 390.67 - 273

= 117.67 °C

7 0
3 years ago
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