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zubka84 [21]
3 years ago
8

If you burn yourself bt touching a hot stove ,it is an example of heat transfer by

Chemistry
1 answer:
ehidna [41]3 years ago
6 0
Conduction is the act of touching 2 solids where one transfers heat
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g A 0.25 mol sample of HBr is added to a 1.00 L buffer solution consisting of 0.68 M HCN and 0.35 M NaCN. Identify all species t
salantis [7]

Answer:

See explaination for details and diagram

Explanation:

We can say that Chemical reaction is a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds.

A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.

See attachment for the buffer of the chemical reaction.

7 0
3 years ago
If an atom has 6 valence electrons, how many electrons does it need to gain to achieve a stable electron configuration?
shusha [124]

it would need to gain 2 more for it to achieve a stable configuration

the best way to remember this is the noble gasses all have 8 valence electrons and that they are the most stable elements on the periodic table

4 0
2 years ago
Read 2 more answers
Can energy transfer even if the objects are in the same temprature
Elina [12.6K]

Answer:

Yes

Explanation:

7 0
2 years ago
1.Light waves (shown) are an example of what type of wave? (Lesson 4.03)
lesya692 [45]

Answer:

<em>suface wave</em>

Explanation:

<em>hope this helps </em>

<em></em>

6 0
3 years ago
Acetic acid (HC2H3O2) is the active ingredient in vinegar. Calculate the mass percent composition of O in acetic acid.
skelet666 [1.2K]

Answer:

53.29% of acetic acid is Oxygen

Explanation:

Step 1: Given data

Acetic acid it's molecular formula is HC2H3O2. This means it consists of 3 elements Carbon, Hydrogen and oxygen.

Step 2: the molar masses

The molecular mass of acetic acid is:

4* H = 4* 1.01 g/mole

2* C = 2*12 g/mole

2*O = 2* 16 g/mole

Total molar mass = 4+ 24+32 = 60.052 g/mole

Step 3: Calculate the mass percent

32 g of the 60.052 g is Oxygen

(32/60.052) *100% = 53.29%

53.29% of acetic acid is Oxygen.

7 0
3 years ago
Read 2 more answers
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