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saveliy_v [14]
3 years ago
7

Which process transfers heat from a hot pavement to a person sitting on it?

Chemistry
2 answers:
Gennadij [26K]3 years ago
6 0

conduction - the transfer of heat to an object through contact


svetoff [14.1K]3 years ago
5 0

Answer: Conduction

Explanation:

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Read the following chemical equations. Reaction 1: H2S + Cl2 → 2HCl + S Reaction 2: Fe + S → FeS Which of the following statemen
DIA [1.3K]

Answer:

D. Chlorine is reduced in reaction 1 and iron is oxidized in reaction 2.

Explanation:

  • Reduction is the process where by the Oxidation number or state of an element or substance is reduce.
  • Oxidation is the increase in oxidation number or state of any element or substance
8 0
3 years ago
How many sodium atoms does 2NaOH have?
attashe74 [19]

Answer:

1

Explanation:

5 0
3 years ago
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Many of water's emergent properties, such as its cohesion, its high specific heat, and its high heat of vaporization, result fro
yarga [219]

Answer:

E) are electrically attracted to each other

Explanation:

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Positively and negatively charged ends cause water molecules to attract one another and for this reason water shows the properties mentioned in the question: cohesion, high specific heat, and high heat of vaporization.

3 0
3 years ago
The equilibrium constant for the reaction
FinnZ [79.3K]

Answer: The concentrations of Cl_2 at equilibrium is 0.023 M

Explanation:

Moles of  Cl_2 = \frac{\text {given mass}}{\text {Molar mass}}=\frac{10g}{71g/mol}=0.14mol

Volume of solution = 1 L

Initial concentration of Cl_2 = \frac{0.14mol}{1L}=0.14M

The given balanced equilibrium reaction is,

                            COCl_2(g)\rightleftharpoons CO(g)+Cl_2(g)

Initial conc.           0.14 M           0 M       0M    

At eqm. conc.     (0.14-x) M        (x) M        (x) M

The expression for equilibrium constant for this reaction will be,

K_c=\frac{[CO]\times [Cl_2]}{[COCl_2]}

Now put all the given values in this expression, we get :

4.63\times 10^{-3}=\frac{x)^2}{(0.14-x)}

By solving the term 'x', we get :

x = 0.023 M

Thus, the concentrations of Cl_2 at equilibrium is 0.023 M

7 0
3 years ago
Imagine that instead of balls, you were rolling positively charged ions of the same element).
Ghella [55]
The ion with a +3 charge would be deflected the most by the magnet because it has the strongest positive charge therefore it will be the one being the most repelled. and the ion that would be deflected the least would be the ion with a +1 charge because it has the least amount of charge so the magnet will still repel it but just not as much as it will repel the ion with a +3 charge.

hope that helps
8 0
2 years ago
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