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alexandr1967 [171]
3 years ago
11

The pH of a solution can be determined with an instrument called a pH meter. The following data was collected with the

Chemistry
1 answer:
Butoxors [25]3 years ago
5 0

1.Acid

2.Acid

3.Basic

4.Basic

5.Acid

6.Acid

7.Basic

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Which of the following is the correct name for the compound mgbr2? magnesium bromate magnesium bromide magnesium dibromide magne
Sergeeva-Olga [200]
Correct answer is magnesium bromide. This is an ionic compound with metal forming a positive ion - K+ and halogen forming a negative ion - Br-. When group 7 element form ions they have a suffix -ide. Bromine is the element and when it forms a negative ion bromine is called bromide with the suffix.
Magnesium gives 2 electrons and bromine can take only 1 electron, therefore 2 bromine atoms are needed. Therefore magnesium forms ionic bonds with 2 bromine atoms.
The compound is called magnesium bromide
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3 years ago
What is the molarity of 5.63 moles of lithium in 3.25 liters of solution
luda_lava [24]

Answer:

1.73 Molar

Explanation:

The formula is Molarity=moles of solute/liters of solution, which can be written in whatever way you prefer, and examples include: M=N/V or M=mol/L.

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M= \frac{5.63}{3.25}

Divide 5.63 by 3.25. When you calculate this, you get 1.73, therefore your answer is 1.73 molar.

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Help I’m stuck on this question :
Dimas [21]

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The first ionization energy is the energy it takes to remove an electron from a neutral atom.

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2 years ago
Define the term diffusion
maw [93]

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Spreading, like dispersing.

Explanation:

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Which of these describes an exothermic reaction?
Paul [167]

A nswer: -

C. Energy is released by the reaction

Explanation:-

An exothermic reaction is one in which during the progress of the reaction heat is evolved.

So energy is released by the reaction.

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The energy released during the progress of the reaction originates from the chemical bonds of the reactants as they break during their conversion into products.

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