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Dmitry_Shevchenko [17]
3 years ago
15

Convert 1.88•10^-6g to milligrams

Chemistry
1 answer:
Vadim26 [7]3 years ago
8 0
The answer is 1.88·10^-3 mg. 
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The weight of 112 liters of carbon dioxide at STP would be<br> 44.09.<br> True or false?
marshall27 [118]

Answer:

False

Explanation:

Its false

3 0
3 years ago
Two of the simplest compounds containing just carbon and hydrogen are methane and ethane. Methane contains 0.3357 g of hydrogen
Natasha_Volkova [10]
Let the ratio of grams of hydrogen per gram of carbon in methane be M, we know that:
M = 0.3357 g / 1 g

Next, lets represent the grams of hydrogen per gram of carbon in ethane be E. The final piece of information we have is:

M / E = 4/3

If we cross multiply,

3M = 4E

Now, substituting the value of M from earlier and solving for E,

E = (3 * 0.3357) / 4
E = 0.2518

There are 0.2518 grams of hydrogen per gram of carbon in ethane.
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3 years ago
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Andrej [43]
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5 0
2 years ago
Which of earths spheres contains most of its mass?
zysi [14]
The geosphere is about 99.94% of Earth's mass, so C is the answer.
8 0
3 years ago
Read 2 more answers
3. If all the waves were measured for a period of 5 seconds, which wave had the highest frequency?
Vanyuwa [196]

Answer:

Correct answer is A.

Explanation:

Frequency is the number of oscillations that a wave have per unit time. Since time is measured in seconds, the wave with the highest frequency must register the highest number of oscillation per second. Hence, correct answer is A.

8 0
3 years ago
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