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2 years ago

Explain what occurs in photgraphy reaction???

Chemistry

2 answers:

zimovet [89]2 years ago

8 0

Answer:

when exposed to like a chemical reaction darkens the film to produce an image.

Explanation:

When exposed to light, a chemical reaction darkens the film to produce an image. ... When film containing Ag+ and Cl- is exposed to light energy, the chlorine ion's extra electron is ejected and then captured by a silver ion.

White raven [17]2 years ago

7 0

Answer:

Explanation:. A photograph is an image made by a photo-chemical reaction which records the impression of light on a surface coated with silver atoms. The reaction is possible due to the light-sensitive properties of silver halide crystals.

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Assume that 8.5 L of iodine gas (I2) are produced at STP according to the following balanced equation:2KI(aq) + Cl2(

Aliun [14]

Answer: 0.3794 moles of Iodine gas are produced.

Explanation:

$2KI(aq)+Cl_2(
g)\rightarrow 2KCl(aq)+I_2$

Volume of iodine gas produced at STP =8.5 L

At STP, the 1 mol of gas occupies volume = 22.4 L

So, 8.5 L of volume will be occupied by: $\frac{1}{22.4 L}\times 8.5=0.3794 moles$

0.3794 moles of Iodine gas are produced.

5 0

3 years ago

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Under which conditions of temperature and pressure would a 1-liter sample of a real gas behave most like an ideal gas?

Sladkaya [172]

Answer : The correct option is (3) 500 K and 0.1 atm.

Explanation :

A real gas behaves ideally at high temperature and low pressure.

The ideal gas equation is,

$PV=nRT$

where,

P = pressure of gas

V = Volume of gas

R = Gas constant

T = temperature of gas

n = number of moles of gas

The ideal gas works properly when the inter-molecular interactions between the gas molecules and volume of gas molecule will be negligible. This is possible when pressure is low and temperature is high.

Therefore, the correct option is (3) 500 K and 0.1 atm.

3 0

3 years ago

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Oil and water a combined to make salad dressing.

maks197457 [2]

When you combine any thing together that you cant take apart is a Physical Change.

5 0

3 years ago

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Is heat conductivity a physical or chemical property?

Lena [83]