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victus00 [196]
3 years ago
10

Global warming facts

Chemistry
1 answer:
Bingel [31]3 years ago
5 0
Cattle contribute to more carbon emissions than all of the worlds transport.
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What is the chemical formula for nickel (III) oxide?
HACTEHA [7]

I think it is Ni2O3

                   

4 0
4 years ago
What is the formula for potassium sulfide? <br> a. k2s2 <br> b. k2s <br> c. ks <br> d. ks2
wlad13 [49]
The formula for potassium sulfide is K2S
4 0
4 years ago
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The pressure exerted on 240. Ml sample of hydrogen at constant temperature is increased from .428 ATM to .724 ATM what will the
Flauer [41]
P1v1=p2v2
v2=p1v1/p2
v2=428x240/724
v2=141.87

4 0
4 years ago
Christy is a forensic scientist. She is given a white powder and asked to determine whether it’s sugar. She analyzes the white p
leva [86]

Answer:

A. is not

B.  incorrect

C. identify substances that have the measured molecular mass

Explanation:

Since in the question it is mentioned that the Christy who is a forensic scientist and she gave a white powder and identify whether it is a sugar or not when she tested she seen that the molecular mass is different as compared with the sugar

So here it can be concluded that the white powder does not show a sugar that means it is not a sugar so automatically the hypothesis of Christy is wrong. And, the next step is to track the substance that shows the molecular mass i.e. measured

6 0
3 years ago
If the human body contains about 50 deciliters of blood, and the blood has about 15 grams of hemoglobin per deciliter, and all o
Tcecarenko [31]

Answer:

The blood will contain 750 grams of O2

Explanation:

Volume of blood in the human body = 15 deciliters

Mass of hemoglobin per deciliter of blood = 15 grams

Mass of hemoglobin in 50 deciliters of blood = 50×15 = 750 grams

Since all the hemoglobin molecules are saturated with O2, mass of O2 in the blood will be the same as mass of hemoglobin molecules in the blood.

Therefore, mass of O2 in the blood is 750 grams

6 0
3 years ago
Read 2 more answers
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