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miv72 [106K]
2 years ago
6

PLEASE HELP ASAPAHHH

Chemistry
2 answers:
Yanka [14]2 years ago
4 0

Answer:

if the oil is already 60 c and you heat up the hot plate to the same degree you are not changing anything

hope this helps :)

LenKa [72]2 years ago
4 0

Answer:

There is more olive oil than canola oil, so if she uses the same temperature to heat the olive oil as she did to heat the canola oil. The outcome of the answer. I could be wrong im trying my best!

Explanation:

Conduction is heat transfer through touch (physical contact between molecules). The hotter molecules are, the faster they move around and transfer their energy to other molecules. Convection is heat transfer through fluid flow, like when hot water is poured over ice or when cool air is blown over your warm soup. Radiation occurs when an object releases heat in the form of electromagnetic rays.

An object’s heat capacity describes the amount of heat required to change the temperature of that object by a certain amount. Specific heat is the amount of heat required to change the temperature of a substance by one degree (generally °C).

Liquids absorb heat in different ways. The temperature change in a particular liquid heated by conduction may not be the same trend of temperature change for the same liquid heated by radiation.

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BRAINLIESTTT ASAP!!! PLEASE ANSWER!
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If the item or substance has changed into a state where you are able to change it back such as:

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Role and significance of guassion or normal distribution?
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Write any two differences between unsaturated<br>and saturated solution​
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Answer:

and

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Mass=1.01 kg; volume =1000cm3
guajiro [1.7K]

Density = 1.01 g/cm^3 or 1.01 kg/dm^3 or 1010 kg/m^3

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7 0
3 years ago
A common laboratory reaction is the neutralization of an acid with a base. When 31.8 mL of 0.500 M HCl at 25.0°C is added to 68.
lord [1]

Answer:

The correct answer to the following question will be "90.6 kJ/mol".

Explanation:

The total reactant solution will be:

(31.8 \ mL+68.9 \ mL)\times 1.07\ g/mL = 107.74 \ g

The produced energy will be:

=4.18 \ J/(gK)\times 107.74 \ g\times (28.2-25.0)K

=450.35\times 3.2

=1441.12 \ J

The reaction will be:

⇒  HCl+NaOH \rightarrow NaCl+H_{2}O

Going to look at just the amounts of reactions with the same concentrations, we notice that they're really comparable.  

Therefore, the moles generated by NaCl will indeed be:

=  (\frac{31.8}{1000} \ L)\times (0.500 \ M \ HCl/L)\times \frac{1 \ mol \ NaCl}{1 \ mol \ HCl}

=  0.0318\times 0.500

=  0.0159 \ mole  \ of \ NaCl

Now,

=  \frac{1441.12 \ J}{0.0159 \ moles \ NaCl}

=  906364.7

=  90.6 \ KJ/mol \ NaCl

7 0
3 years ago
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