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Oduvanchick [21]
3 years ago
7

2.)Which action forms a different chemical substance?

Chemistry
1 answer:
kvv77 [185]3 years ago
6 0

Answer:

B. burning a piece of wood

Explanation:

The Chemical Would Be The Air Coming From The Wood While Burning It

Tell Me If Im Correct  

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Write the structural formula for m-chlorophenyl ethyl ether.
Sliva [168]

Answer: C(OCH2CH3)CHCClCH(CH)2

Explanation:

The structural formula for m-chlorophenyl ethyl ether is

C(OCH2CH3)CHCClCH(CH)2.

The structural formula shows the step-by-step linkages.

4 0
3 years ago
Calculate the molecular (formula) mass of each compound: (a) iron(ll) acetate tetrahydrate; (b) sulfur tetrachloride; (c) potass
Nutka1998 [239]

Answer:

a) Iron(ll) acetate tetrahydrate: 245,68 g/mol

b) Sulfur tetrachloride: 173,87 g/mol

c) Potassium ermanganate 158,034 g/mol

Explanation:

To solve this kind of exercises you must look for the number of atoms in each molecule first, then look on the periodic table the atom weight and the multiply the atom weight times the quantity of each atom. For instance:

The molecule of Iron(II) acetate itetrahydrate is (CH3COO)2Fe•4H2O, it means that you have:

2 atoms of carbon times the atomic weight of C (12.00g/mol)= 24g

14 atoms of Hidrogen times the atomic weight of H (1,00g/mol)= 14g

6 atoms of Oxigen times the atomic weight of O (16,0g/mol)= 96

2 atoms of Iron times the atomic weight of Fe (55,84g/mol)= 111,68g

At last, you only have to add the results: 24+14+96+11,68= 245,68g/mol. This example was for the first molecule.

See you,

5 0
3 years ago
Despite the fact that the partial pressure difference is so much smaller for co2, why is there as much co2 exchanged between the
Snezhnost [94]
This is due to the solubility of CO₂ in blood is more than the solubility of Oxygen in blood 
7 0
3 years ago
30. How many types of chemical reactions are there?
Nadusha1986 [10]

Answer:

B. Five

Hope this helps........

8 0
3 years ago
Read 2 more answers
Which statement describes heterogeneous mixtures?
Artemon [7]
<span>The righ answer is the option A. They are made up of two or more pure substances that are not chemically bonded. A classicall expample ot heterogeneous mixtures are sugar and salt. Sugar is a pure substance, salt is also a pure substance, when you mixe them you form mixture where salt is still salt and sugar is still sugar, that is what "they are not chemically bonded" means. So you can separate them by physical media. </span>
4 0
3 years ago
Read 2 more answers
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