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FrozenT [24]
3 years ago
10

Chemical compounds

Chemistry
1 answer:
V125BC [204]3 years ago
7 0

Answer: can be made up of one atom with several different elements in it (b)

Explanation:

i just got this question on Study Island

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A certain compound is made up of one phosphorus (P) atom, three chlorine (Cl) atoms, and one oxygen (O) atom. What is the chemic
zzz [600]
Ok so we know that all of these are non metals therefore they will bond using covalent bonds.
Phoshorus can have 3 bonds Chlorine can have 1 bond and Oxygen can two bonds.
Cl-P=O
The chemical formula I belive is PClO hope this helps :).
6 0
3 years ago
Help plz:))) I’ll mark u brainliest ASAP 10 points
statuscvo [17]

Answer: I believe it’s the second one

(F)

Explanation:

8 0
3 years ago
Consider a galvanic cell consisting of the following two redox couplesAlB+ 3e Al , Mga + 2e Mg, (ag. E® = 1.676 V ) E° = 2.356 V
malfutka [58]

Answer:

0.68 V

Explanation:

For anode;

3Mg(s) ---->3Mg^2+(aq) + 6e

For cathode;

2Al^3+(aq) + 6e -----> 2Al(s)

Overall balanced reaction equation;

3Mg(s) + 2Al^3+(aq) ----> 3Mg^2+(aq) + 2Al(s)

Since

E°anode = -2.356 V

E°cathode = -1.676 V

E°cell=-1.676 -(-2.356)

E°cell= 0.68 V

4 0
3 years ago
Predict the element that will have the highest mass percent composition in each compound without doing any calculations. Identif
Andrej [43]

Answer:

Carbon has the highest mass percent

Explanation:

Step 1: Data given

Predict the element that will have the highest mass percent composition in each compound without doing any calculations.

For C3H6O, carbon will have the highest mass percent. The molar mass of of Oxygen and carbon are more or less the same. But we have 3x more Carbon than oxygen.

Identify the element that has the highest mass percent composition in C3H6O .

atomic mass C = 12.01 g/mol

atomic mass O = 16.0 g/mol

atomic mass H = 1.01 g/mol

molar mass C3H6O = 58.08 g/mol

%C = (3*12.01 / 58.08) * 100 %

%C = 62.04%

%O = (15.99 /58.08) *100%

%O = 27.53 %

%H = (6*1.01 / 58.08) * 100%

%H = 10.43

Carbon has the highest mass percent

6 0
3 years ago
Why must the chemical equation be balanced ?
elena-14-01-66 [18.8K]

Answer:

D

Explanation:

the answer is d as the law of conservation must be hold good during the equation

3 0
4 years ago
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