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Monica [59]
3 years ago
8

so i am doing a science project and i am doing it on mold i put water on the bread and cheese and left one in the dark and one i

n the light FOR A TWO WEEKS it isnt working why not
Chemistry
1 answer:
ivann1987 [24]3 years ago
3 0

Answer:

because the bread and cheese is absorbing the water whereas if you leave it dry in a moist humid place mold will start to appear

Explanation:

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A sample of gas at 10.0 ATM and 5.0 °C increases in tempature of 35 °C. If the volume is unchanged, what is the new pressure?
agasfer [191]

Answer:

11.08 atm

Explanation:

From the question given above, the following data were obtained:

Initial pressure (P₁) = 10 atm

Initial temperature (T₁) = 5 °C

Final temperature (T₂) = 35 °C

Final pressure (P₂) =?

Volume = constant

Next, we shall convert celsius temperature to Kelvin temperature. This can be obtained as follow:

T(K) = T(°C) + 273

Initial temperature (T₁) = 5 °C

Initial temperature (T₁) = 5 °C + 273

Initial temperature (T₁) = 278 K

Final temperature (T₂) = 35 °C

Final temperature (T₂) = 35 °C + 273

Final temperature (T₂) = 308 K

Finally, we shall determine the final pressure of the gas as follow:

Initial pressure (P₁) = 10 atm

Initial temperature (T₁) = 278 K

Final temperature (T₂) = 308 K

Final pressure (P₂) =?

P₁/T₁ = P₂/T₂

10/278 = P₂/308

Cross multiply

278 × P₂ = 10 × 308

278 × P₂ = 3080

Divide both side by 278

P₂ = 3080 / 278

P₂ = 11.08 atm

Therefore, the final pressure of the gas is 11.08 atm

3 0
3 years ago
The structure of DNA resembles a twisted ladder. Determine the structural components that form the rungs of the ladder.
Mamont248 [21]
The structural components that form the rungs of the ladder are the nitrogeneous bases of the DNA molecule. These bases are adenine, guanine, cytosine and thymine. Hope this answers the question. Have a nice day.
6 0
3 years ago
Read 2 more answers
1. Show the mechanism for the main product for the monochlorination of 2-methylbutane. List all other products.
Bad White [126]

Answer:

See explanation below

Explanation:

First, we need to understand that the monochlorination of an alkane like this one, involves substitution of one of the atoms of hydrogen of the molecule for an atom of chlorine.

This reaction takes place when the alkane reacts with Cl₂ in presence of light or heat.

When this happens, the first step involves the breaking of the double bond of the chlorine to form the ion Cl⁻.

The next step involves the substraction of the hydrogen of the molecule by the Chlorine. This will leave the alkane with a lone pair available for reaction.

The third step, the alkane with the lone pair of electron substract a chlorine for the beggining and form the mono chlorinated product.

The final step involves forming the remaining products with the remaining reagents there.

In the picture attached you have the mechanism and product for this reaction:

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3 years ago
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Which is true about the temperature of a gas?
natita [175]
The correct awnser would be D , hope this helps!
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3 years ago
3 H2SO4(aq) + 2 Al(s) → Al2(SO4)3(aq) + 3 H2(g) How many moles of Al2(SO4)3 are produced when 6.5 moles of aluminum are consumed
Lera25 [3.4K]

Answer:

520 moles were produced

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