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____ [38]
3 years ago
14

Greg rollerblades 35 meters in 12 seconds. What is his speed?

Chemistry
1 answer:
zheka24 [161]3 years ago
7 0

Answer:

2.916

Explanation:

because the equation for speed is distance divided by time

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avanturin [10]

Vitamin A is an essential vitamin that the body needs for growth and development. It is also vital for cell recognition, vision, immune function, and reproduction.

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5 0
2 years ago
How many Cl atoms are in Zn(ClO3)2?<br> O A. 2<br> O B. 1<br> O c. 3<br> O D. 6
White raven [17]
The answer cl atoms are in zn(cio3)2 is A:2 because I looked it up and it gave me 2.
3 0
2 years ago
10. Translate each of the following chemical equations into a sentence.
Fofino [41]

Answer:

a) 2ZnS(s)+3O_2(g)\rightarrow 2ZnO(s)+2SO_2(g)

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b)  CaH_2(s)+2H_2O(l)\rightarrow Ca(OH)_2 aq)+2H_2(g)

1 mole of calcium hydride in solid form reacts with 2 moles of liquid water to give 1 mole of calcium hydroxide dissolved in water and 2 moles of hydrogen in gaseous form.

The chemical reactions are written by writing the chemical formula of the reactants on left side of the arrow followed by chemical formula of the products. The number of atoms of each element must be balanced to follow the law of conservation of mass.

8 0
3 years ago
Which statement describes a step in the formation of an ionic bond?
BartSMP [9]
The correct answer is  a metal atom forms a cation, and a nonmetal atom forms an anion.  This is because metals are less electronegative than nonmetals and will therefore give electrons to nonmetals.  Atoms that give up electrons will have a positive charge therefore becoming a cation while atoms that accept electrons will have a negative charge therefore becoming an anion.


Ions that have the same charge can't be attracted to each other since it takes a positive and negative charge to cause attractive forces. 

A less electronegative atom will transfer electrons to a more electronegative atom.

A metal (cation) can pull electrons from another metal (not an ion) but that does not form an attractive force between the two metals (You will learn more about this when you go over reduction potentials, redox reactions, and electrochemistry).

I hope this helps.  Let me know if anything is unclear.
7 0
3 years ago
Read 2 more answers
Polar air masses bring warm temperature and have lower air temperature? T or F
snow_tiger [21]

Answer:

t? im pretty sure have a good day

3 0
2 years ago
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