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2 years ago

9

Which property describes a mixture? It cannot be separated by physical methods. It has a single chemical composition. It cannot

have more than one state of matter. It cannot be described by a chemical symbol or formula.

2 answers:

natima [27]2 years ago

7 0

Answer:

it cannot be separated by physical methods

Explanation:

katrin [286]2 years ago

7 0

A: It cannot be separated by physical methods.

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2 years ago

What needs to happen for the equation CH4 + O2 → CO2 + H2O to be balanced?

worty [1.4K]

B. This is because the Hydrogen and Oxygen need balanced out.

Current-

C-1 | C-1
H-4 | H-2
O-2 | O-3

Adding a coefficient of 2 before oxygen in the reactants and H2O in the products would balance this equation

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3 years ago