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icang [17]
2 years ago
6

Which best illustrates the way in which radiation? Giving brainy.

Chemistry
1 answer:
Ilya [14]2 years ago
4 0

Answer:

I dont really understand your question. but maybe this might help.

https://quizlet.com/283377931/radiation-flash-cards/

Explanation:

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A tank of oxygen with a pressure of 23 atm is moved from room temperature of 293K to a storage freezer at 239K. What is the fina
Gelneren [198K]

Answer:

18.76atm

Explanation:

Using the formula V1P1/T1 = V2P2/T2, from combined gas law. Volume is constant since we have not been given. Therefore the formula comes to be; P1/T1 = P2/T1

To get P2 = T2(P1/T1)

Where P2 is final pressure

P2 = 239K ( 23atm/293K)

=18.76atm

7 0
3 years ago
The change in enthalpy is the change in heat energy of a reaction and is calculated by (Hint: Hess' Law): Group of answer choice
Stolb23 [73]

Answer:

d. Sum of product enthalpies minus the sum of reactant enthalpies

Explanation:

The standard enthalpy change of a reaction (ΔH°rxn) can be calculated using the following expression:

ΔH°rxn = ∑n(products) × ΔH°f(products) - ∑n(reactants) × ΔH°f(reactants)

where,

ni are the moles of products and reactants

ΔH°f(i) are the standard enthalpies of formation of products and reactants

8 0
3 years ago
What is the electron configuration for sulfur? A. 1s2 2s2 2p6 3s2 3p4 B. 1s2 1p6 2s2 2p6 3s2 C. 1s2 2s2 2p6 3s2 3p3 4s1 D. 1s2 2
3241004551 [841]
Sulfur has two filled energy levels and six electrons on the third energy level. The corresponding electron configuration is A.
B is incorrect because there are no p orbitals at the first energy level, ie, no 1p orbitals. C is incorrect because the 4s1 electron would spontaneously drop into the 3p orbitals. D is incorrect because the 3d electrons would spontaneously drop into the 3p orbitals.
3 0
3 years ago
Read 2 more answers
Need help with question
3241004551 [841]
C, because a homogeneous mixture is evenly mixed.

All those others would be heterogeneous (not evenly mixed).
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3 years ago
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Which is a characteristic of a solution
aleksley [76]
A solution is a homogeneous mixture of two or more substances. a solution doesn't allow light to scatter. the solute cannot be separated mechanically from the solution.
8 0
3 years ago
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