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True [87]
3 years ago
13

A compound that changes color when it is in contact with an acid or base is called

Chemistry
1 answer:
malfutka [58]3 years ago
4 0
It's called a pH indicator.
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In the partition coefficient experiment 4A this week, after thorough mixing of the reagents, phase separation will occur. The to
Andreas93 [3]

Answer:

The top layer is the Aqueous layer, and the benzoic acid is contained in the non-aqueous layer/oil phase.

Explanation:

A separating funnel is a very important piece of laboratory glassware that is used to separate the components of liquid-liquid mixtures  which are immiscible. This technique is used in the extraction of the components of mixtures.

The liquids separate into two phases. The separation is based on the differences in the liquids' densities, where the denser liquid settles below and the lower density liquid stays afloat. Liquids used for this kind of separation are usually different liquids, one is the aqueous layer and the other, a non-aqueous layer.

Partition coefficient or distribution coefficient is defined as the ratio of the concentrations of a compound in two immiscible solvents at equilibrium.

Organic solvents (except halogenated organic compounds) with densities greater than that of water i.e 1g/mL ( usually called the oil phase) settle at the bottom of the aqueous phase.

Benzoic acid. will settle at the bottom layer ( i.e the lower phase).

7 0
3 years ago
Define isoelectronic
Pani-rosa [81]

Answer: Isoelectronic means having the same numbers of electrons or the same electronic structure.

Explanation:

8 0
3 years ago
How many grams would you have if you had 2.478 moles of Calcium Phosphate? (SHOW ALL WORK FOR BRAINLIEST)
saul85 [17]

Answer:u would have 40

Explanation:

because ur taking them away

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3 years ago
1 Which process causes the greatest increase in the distance between particles?
san4es73 [151]

The Answer is compensation

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3 years ago
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1.) 3.3482 hL =__________nL
Taya2010 [7]

Answer:

334820000000nL

Explanation:

Since 1hL=100000000000nL

4 0
3 years ago
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