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Tju [1.3M]
3 years ago
10

Koby decides to change the amount of vinegar. He will keep the amount of baking soda constant at ½ teaspoon. He will run three t

rials with different amounts of vinegar each time.
Trial Baking Soda Vinegar
1 ½ teaspoon ¼ cup (4 tablespoons)
2 ½ teaspoon 2 tablespoons
3 ½ teaspoon 1 tablespoon
Based on what happened in task 1, what do you think will happen with Koby's three trials?
Chemistry
1 answer:
Wittaler [7]3 years ago
5 0

Answer: When baking soda and vinegar are combined, a new substance is produced. The carbon dioxide gas soon foams up in the mixture. Carbon dioxide, water, and sodium acetate are generated when sodium bicarbonate and acetic acid react.As Kobe adds additional baking soda and vinegar, the reaction will also become stronger.

Explanation: <em>well to be completely honest I don't see any answer choices so I'm going to assume that this is a writing question</em>

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All salts are ionic compounds, but not all ionic compounds are salts. All salts are ionic compounds, but not all ionic compounds
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I think this question is a true statement :)
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You notice that you cannot read your book through a test tube of fluid held against the print, making it so blurred as to be unr
saveliy_v [14]

Answer:

b. colloid

Explanation:

Colloids are solutions that are going to have a solute and a solvent, but the size of the particles are bigger than in a solution that is clear. that is the reason that it looks blurred because the particles are bigger.

In the other hand, these particles of the solute are big, but not so big and heavy as in a suspension, so they are not going to precipitate in the bottom.

The movement of the particles are called Brownian movement, and they are the responsible to avoid to settle down at the bottom of the recipient.

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4 years ago
The thyroid, parathyroid, and thymus are located in the
Studentka2010 [4]

Answer:

The pineal, hypothalamus, and pituitary are located in the BRAIN

The thyroid, parathyroid, and thymus are located in the THROAT

The adrenals, pancreas, testes, and ovaries are located in the NEAR THE KIDNEY

Explanation:

The pineal, hypothalamus, and pituitary are located in the BRAIN

The thyroid, parathyroid, and thymus are located in the THROAT

The adrenals, pancreas, testes, and ovaries are located in the NEAR THE KIDNEY

3 0
3 years ago
Use the solubility rules to determine if:
xenn [34]

<u>Answer:</u>

A reaction is said to occur if there is a formation of an insoluble solid or a precipitate(s) or a liquid (l) or a gas(g).

If both the reactants and products are in aqueous state, No reaction takes place.

$2 \mathrm{NaCl}(a q)+M g B r_{2}(a q)>M g C l_{2}(a q)+2 \mathrm{NaBr}(a q)(\mathrm{NO} \text { REACTION })$

All chlorides and Bromides are soluble except that of Ag, Hg and Pb.

Hence, No reaction takes place since all the reactants and products are in aqueous states.

${KOH}(a q)+{NaCl}(a q)>K C l(a q)+{NaOH}(a q)(\mathrm{NO} \text { REACTION })$

Salts  of Group IA are soluble. Hence No reaction takes place

$M g S(a q)+2 {NaOH}(a q)>M g(O H)_{2}(s)+N a_{2} S(a q)$

(REACTION TAKES PLACE)

All hydroxides are insoluble except that of Group IA, ammonium ion and  Group IIA down from Calcium.

Hence Reaction takes place with the formation of Mg(OH)_2 precipitate

5 0
3 years ago
Helium (He), oxygen (O), carbon (C), and selenium (Se) are all nonmetals. Using the periodic table, which pair of these nonmetal
Lisa [10]
Using the periodic table, the pair of non metals that has the most similar properties would be :
Oxygen and Selenium
at the periodic table, these both located on the same period

hope this helps
7 0
4 years ago
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