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elena55 [62]
3 years ago
10

Zinc + hydrogen arsenate—> Makes what?

Chemistry
1 answer:
PSYCHO15rus [73]3 years ago
3 0

Answer:

here u go

Explanation:

Zinc arsenate is a white powder. Toxic by inhalation and ingestion.

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Open Ended
kakasveta [241]

Answer:

Explanation:

21. Atoms are not created or destroyed means that atoms that you begin with are the atoms that you will end with. The catch is that the atoms will rearrange to give you new compounds, but the atoms that you initially had are the atoms you will still have after reaction. For eg, if you started with eggs and made omelet. Omelet is a "new" compound, but the atoms that were in the eggs have rearranged to become the omelet so can you see that atoms were not created or destroyed to make the omelet.

22. Yes because amount of products you make depends on how much reactants you have. For eg, I need two graham cracker(GC), one marshmallow(M), and one chocolate (C) to make a s'more. If I get more of each item then I can make more s'mores and consequently having minimum amounts results in less s'mores that I make.

23. Not possible, due to law of conservation of matter and energy. Atoms cannot be created nor be destroyed, they are simply rearranged. For eg, Taking A + B cannot give you a new compound with a chemical formula D or XZ. A + B can however give you AB which is rearrangement of the starting atoms.

24. Chemical equation is balanced when atoms on reactant side and atoms of product side are in equal counts. I have attached a graphic below for more help.

4 0
3 years ago
Christy is a forensic scientist. She is given
Nitella [24]

Answer:

The white powder is not sugar, so Christy's hypothesis is incorrect . Christy's next step should be to identify substances that have the measured molecular mass.

Explanation:

6 0
4 years ago
HELLLLP ITS 8TH GRADE SCIENCE AND DUE TODAY
insens350 [35]

Answer:G

Explanation:

I would look it up on safari just to be sure tho, hope this helps

6 0
2 years ago
Which are processes that add to the genetic differences in siblings? Cheek all that apply. Interphase Independent assortment Cyt
dangina [55]

Answer:

Crossing over Mitosis

Explanation:

A process called meiosis ensures siblings share just about 50% of their genotype. That's how siblings can have different DNA. Meiosis is a form of cell division that is only used to produce a special category of cells, called gametes.

3 0
3 years ago
A Cyclist rode at an average speed of 10mph for 15 miles. how long was the ride
Setler79 [48]
Hey there Abigaildonaimor,

A cyclist rode at an average speed of 10mph for 15 miles. How long was the ride?

Answer:

Time = Distance / Rate
         = 15 miles / 10mph
         = 1.5 hours

Hope this helps :D

<em>~Natasha♥</em>
6 0
3 years ago
Read 2 more answers
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