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sweet [91]
3 years ago
13

Please help me create an hypothesis in the, if/then format for the question Does different types of vinegar, change the time it

takes for the baking soda to die down.
ILL MAKE YOU BRAINIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Chemistry
2 answers:
Romashka [77]3 years ago
6 0
The answer is Yes!!!!!!!!!!!!!!
motikmotik3 years ago
4 0

Answer:

ask your mom or dad to help you

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The Hall process for the production of aluminum involves the reaction of aluminum oxide with elemental carbon to give aluminum m
topjm [15]

Answer:

  • <u><em>1.7 × 10³ kg of ore.</em></u>

Explanation:

Call X the amount of aluminum ore mined to produce 1.0 × 10³ kg the aluminum metal.

Then, taking into account the yield of the reaction (82 % = 0.82) and the percent of aluminun in the ore (71% = 0.71), you can write the following equation:

  •  X         ×          71%                ×       82%     =     1.0 × 10³ kg

         ↑                      ↑                              ↑                     ↑

(mass of ore)    (% of Al in the ore)        (yield)        ( Al metal to obtain)

You must just simplify, solve and compute:

  • 0.71 × 0.82 × X = 1,000
  • X = 1,000 / (0.71 × 0.82) = 1,000 / 0.5822 = 1,717.6 Kg

Round to two significant figures; 1,700 kg = 1.7 × 10³ kg of ore ← answer.

6 0
3 years ago
Read 2 more answers
Given the following balanced equation:
svetlana [45]
So you would just take the coefficient and put it into ratio form

Answers:
1) 4:5
2)4:6
3)6:4
4)6:6
5)6:4
3 0
2 years ago
Lonic Bonding
oksano4ka [1.4K]
Na has a +1 charge, and O has a -1 charge.
3 0
3 years ago
Name three ways in which unicellular organisms can move. Describe one of them.
Viefleur [7K]

Answer:

Unicellular organisms achieve locomotion using cilia and flagella. By creating currents in the surrounding environment, cilia and flagella can move the cell in one direction or another.

Explanation:

3 0
2 years ago
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When dissolved in water, koh behaves as an acid that forms k+ and oh- ions. a base that forms ko- and h+ ions. a base that forms
Serggg [28]

Answer:

A base that forms K⁺ and OH⁻ ions.

Explanation:

The KOH is an Arrhenius base.

A is <em>wrong</em>. A base does not form H⁺ ions.

B is <em>wrong</em>. A metal hydroxide forms K⁺ ions, not KO⁻ ions.

D is <em>wrong</em>. The metal forms K⁺ ions, KO⁻ ions.

4 0
3 years ago
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