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solniwko [45]
2 years ago
10

HELP ME GIVE BRAINLEAST HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

PPPPPPPPPPPPPPPPPPPPPP

Chemistry
2 answers:
wlad13 [49]2 years ago
5 0

Answer:A

Explanation:A is the answer

lord [1]2 years ago
3 0

Answer:

Explanation:

Option D because they have to substitute each other

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PLS ANSWER FAST THANK UU
andriy [413]
Answer
I think it might be B
Explanation
4 0
3 years ago
which of the following pairs of elements could react to form an ionic compound? A. potassium and calcium B. sulfur and oxygen C.
Grace [21]
The correct option is FLUORINE AND COPPER.
An ionic compound is usually formed by the combination of a metal and a non metal, the metal usually act as an electron donor while the non metal act as an electron acceptor. Thus, in ionic compounds, there is total transfer of electrons from the metal to the non metal. In the question given here, copper is the metal while the fluorine is the non metal.<span />
4 0
2 years ago
The average volume of a cotton ball is about 5.50 mL. If the mass of the cotton ball is 8.53 g, what is the density of cotton?
s344n2d4d5 [400]

Answer:

Explanation:

5.5 I believe.

6 0
3 years ago
What is the mass of 4.56 moles of copper (ii) fluoride​
musickatia [10]

Answer:

463.0 g.

Explanation:

  • We can use the following relation:

<em>n = mass/molar mass.</em>

where, n is the mass of copper(ii) fluoride​ (m = 4.56 mol),

mass of copper(ii) fluoride​ = ??? g.

molar mass of copper(ii) fluoride​ = 101.543 g/mol.

∴ mass of copper(ii) fluoride​ = (n)(molar mass) = (4.56 mol)(101.543 g/mol) = 463.0 g.

7 0
2 years ago
Calculate the ΔG for the following system. Then state if the system is spontaneous or not spontaneous.
Orlov [11]

Answer:

B

Explanation:

5 0
3 years ago
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