Clayton pulled his back helping friend move and uses a thermal heat wrap to ease his muscle aches. How could Clayton monitor the

Chemistry

2 answers:

Marat540 [252]3 years ago

6 0

Should be THERMOMETER

padilas [110]3 years ago

3 0

Answer: The answer is A) Calorimeter

Explanation: The temperature change is occurring in a hand warmer, making it hard to measure directly with a thermometer. In a calorimeter, the hand warmer is submerged in water and the temperature change of the water can easily be measured.

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C) Solar energy is the source of all forms of energy.give reasons

anastassius [24]

Answer:

All energy is made by the sun because without the sun there would be no humans to produce other energy

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Lithium arsenate (Li3AsO4) and iron nitrate (Fe(NO3)3) are dissolved in water. What precipitate would you expect to form? what i

Alla [95]

Answer:

CO₃²⁻ + H₂O <----------------> HCO₃⁻ + OH⁻

The chemical formula of the precipitate is Fe(OH)₃

Explanation:

Fe(NO₃)₃ and K₂CO₃ are strong electrolytes and completely dissociate in water. Carbonate ions is a weak base and combine with water to form hydroxide ions (OH⁻), CO₃²⁻ + H₂O <----------------> HCO₃⁻ + OH⁻
Ferric, Fe (III), combines with these hydroxide ions to form insoluble precipitates. Fe(OH)₃ is only partially soluble i.e., it does not completely dissociate in water. When the solutions of Fe(NO₃)₃ and K₂CO₃ are mixed, Fe(OH)₃ precipitates out due to the strong electrostatic attraction between Fe (III) and hydroxide ions.

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3 years ago

Which of the following is always involved in a scientific inquiry?

Oxana [17]

Answer:

I think the answer is coming up with questions based on observations and reasoning

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3 years ago

Help please for chemistry class

IRISSAK [1]

Answer:

option c is correct

Explanation:

the addition of catalyst does not effect the position or equilibrium constant and increase the forward and backward reaction in equal rates so no effect would be observed

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If one of the impurities in diesel fuel has the formula c2h6s, what products will be formed when it burns? enter a balanced chem

inna [77]

<span>If one of the impurities in diesel fuel has the formula c2h6s, then the products that will form would be carbon dioxide, water and sulfur dioxide. The balanced chemical reaction would be as follows:

</span>C2H6S(l)<span> + 9/2O2(g) = 2CO2(g) + 3H2O(v) + SO2(g)
</span>
Hope this answers the question.

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