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posledela
3 years ago
7

What is a REACTANT in this chemical reaction Plz help

Chemistry
1 answer:
Marysya12 [62]3 years ago
6 0

Answer:

O2????

well everything to the left of the arrow are the reactants

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Explain why silicon dioxide is a suitable material for lining furnaces
zzz [600]
Because it has a really high melting point, i thinks its 1600 to 1725 degrees ferenheight

3 0
3 years ago
568 cm3 of chlorine at 25° C will occupy what volume at -25° C while the pressure remains constant?
Vsevolod [243]

Answer:

474.3 cm³

Explanation:

Given data:

Initial volume of chlorine gas = 568 cm³

Initial temperature = 25°C

Final volume = ?

Final temperature =  -25°C

Solution:

Initial temperature = 25°C (25+273 = 297 K)

Final temperature =  -25°C (-25 +273 = 248 K)

The given problem will be solve through the Charles Law.

According to this law, The volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure.

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

Now we will put the values in formula.

V₁/T₁ = V₂/T₂

V₂ = V₁T₂/T₁  

V₂ = 568 cm³ × 248 K /297 K

V₂ = 140864 cm³.K / 297 K

V₂ = 474.3 cm³

6 0
4 years ago
All man-made and most carbon-based compunds are___ . 1. organic 2.inorganic
KonstantinChe [14]

Answer:

2. Inorganic

Explanation:

All man-made and most carbon-based compounds are inorganic

3 0
4 years ago
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What are the products of photosynthesis?
gtnhenbr [62]

Answer:

Glucose also called(Energy)

4 0
4 years ago
Zn-64 = 48.63%
sladkih [1.3K]

Answer:

A = 65.46 u

Explanation:

Given that,

The composition of zinc is as follows :

Zn-64 = 48.63%

Zn-66 = 27.90%

Zn-67 = 4.10%

Zn-68 = 18.75%

Zn-70 = .62%

We need to find the  average atomic mass of the given element. It can be solved as follows :

A=\dfrac{48.63\times 64+27.90\times 66+4.1\times 67+18.75\times 68+0.62\times 70}{100}\\A=65.46\ u

So, the average atomic mass of zinc is 65.46 u.

6 0
3 years ago
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