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Mars2501 [29]
4 years ago
11

Which statement correctly compares a person and theory

Chemistry
1 answer:
Bumek [7]4 years ago
4 0

Answer:

Hypothesis is a predictive statement which relates two or more phenomena.

It is tested to observe or to see whether it is true or false with the help of scientific means.

it relates dependent and independent factors with each other

Theory is a tested and proved framework which explains single or multiple observed phenomena

It is thoroughly proved and tested through experiments and observations.

it is strongly supported by scientific evidences and observations.

Hence, a hypothesis is a prediction for a specific situation, while a theory is used to make predictions for many similar situations.

Explanation:

hope this helps :)

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vladimir1956 [14]
Food that contains nuts should be prepared last
5 0
4 years ago
A 1.00 L flask is filled with 1.15 g of argon at 25 ∘C. A sample of ethane vapor is added to the same flask until the total pres
tatiyna

Answer:

The partial pressure of argon in the flask = 71.326 K pa

Explanation:

Volume off the flask = 0.001 m^{3}

Mass of the gas = 1.15 gm = 0.00115 kg

Temperature = 25 ° c = 298 K

Gas constant for Argon R = 208.13 \frac{J}{kg k}

From ideal gas equation P V = m RT

⇒ P = \frac{m R T}{V}

Put all the values in above formula we get

⇒ P = \frac{0.00115}{0.001} × 208.13 × 298

⇒ P = 71.326 K pa

Therefore, the partial pressure of argon in the flask = 71.326 K pa

4 0
4 years ago
Classify each of the following possible reactions according to whether a precipitate will form or will not form.
elena-14-01-66 [18.8K]

Answer:

Reactions, 2, 3 and 5 make precipitates

Explanation:

1. The halogens always make aqueous salts with elements from group 1

2. Phosphate anion can make insoluble salts, the same as carbonate.

3. Nitrate anion always make aqueous salts

4. Sulfate anion makes aqueous salts except with Ag⁺, Pb⁺² and group 2

1. KI(aq) + NaCl(aq) → KCl(aq) + NaI(aq)

2. 2Na₃PO₄ (aq) + 3CoCl₂(aq) → 6NaCl(aq) + Co₃(PO₄)₂(s) ↓

3. Na₂CO₃ (aq) + CuCl₂ (aq) → 2NaCl (aq) + CuCO₃ (s) ↓

4. 2LiNO₃ (aq) + Na₂SO₄ (aq) → Li₂SO₄ (aq) + 2NaNO₃(aq)

5.  CrCl₂ (aq) + Li₂CO₃ (aq) → 2LiCl (aq) + Cr₂(CO₃)₂ (s) ↓

8 0
3 years ago
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Answer:

geruow0irghvn3p0unhie0ghik

Explanation:

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3 years ago
if you were trying to heat soup would you want to use a good thermal conductor or good thermal insulator? explain your answer
denis23 [38]
I would want to use a thermal conductor because then I can actually heat up the soup but however if I used a thermal insulator it would just keep the soup warm but this would be no help if she was already cold
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3 years ago
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