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3 years ago

Helppp nowwww plsssss!!

Chemistry

1 answer:

myrzilka [38]3 years ago

4 0

Answer:

The sun will appear to rise and set more slowly

have a nice day! (^o^)

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What is the maximum mass of ethyl alcohol you could boil with 1000 j of heat, starting from 22 ∘c?

kramer

solution:

1000 = m*2400*(78-22) + m*8.79*10^5

1000= 134400m + 879000m

1000= 1030200m

m = 1000/1013400

m= 1013.4 grams

the final answer is 0.9706 grams

5 0

4 years ago

Water _____.

Sergio039 [100]

Answer: is neither an acid nor a base

Explanation: Water is a universal solvent which means it can dissolve most of the substances in it.

Water has high thermal heat capacity , which means large heat is required to heat the water.

Water is not always pure as it gets contaminated by various pollutants present in the atmosphere such as gases, bacteria and suspended matter.

Water is an amphoteric substance which can act as both acid and base, thus can donate and acept [texH^+[/tex] ions.Thus it is neither an acid nor a base.

$HCl+H_2O\rightarrow H_3O^++Cl^-$

Here water is accepting a proton, thus it acts as base.

$NH_3+H_2O\rightarrow NH_4^++OH^-$

Here water is donating a proton, thus it acts as acid.

4 0

3 years ago

Please help! I need to know what type of energy transfer each of these things are (CHOOSE FROM CONDUCTION, CONVECTION OR RADIATI

Musya8 [376]

I can't see the pictures clearly but maybe this will help

3 0

4 years ago

The percent yield of a chemical reaction is

Veronika [31]

Answer:

the measured amount of product that is made from a given amount of reactant

Explanation:

google & quizlet

4 0

3 years ago

Read 2 more answers

__________ have an electric charge of -1.60 × 10-19 C (-e).

nignag [31]

Answer:

Electrons have an electric charge of -1.60 × 10-19 C

Explanation:

Neutrinos and Neutrons have 0 e charge.

Protons have an electric charge of 1.60 × 10-19 C

Historically, electrons were assigned a negative charge

6 0

3 years ago