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kumpel [21]
2 years ago
14

if 10 lbs. Of sugar yields 4.2 lbs of carbon when burned completely, how carbon would 42 pounds of sugar yield?

Chemistry
1 answer:
jasenka [17]2 years ago
8 0

27. I think that's the answer

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Making Sense
Alexandra [31]

Answer: I think that trains move faster then cars! Buttt, The trains are much stronger and bigger, then cars or trucks. Even if they move slowly they can still crush something smaller then them.

Explanation: ( didnt really understand the question, but i tried)

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3 years ago
Write down the names of compounds represented by the following formulae:
Angelina_Jolie [31]
A-Aluminium sulphate.
B-Calcium Chloride.
C-Potassium sulphate.
D-Potassium Nitrate .
E-Calcium Carbonate.
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3 years ago
Lake Eola is a sinkhole lake. What reasoning best describes how it formed?
lutik1710 [3]

Answer: A

Explanation: the first answer is more reasonable than the rest of them , hope this helped

6 0
3 years ago
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Given a chemical equation, showing the dissociation of an acid in solution, be able to identify the "acid", the "base", the "con
Karo-lina-s [1.5K]

Explanation:

According to the Bronsted-Lowry conjugate acid-base theory:

  • An acid is defined as a substance which looses donates protons and thus forming conjugate base
  • A base is defined as a substance which accepts protons and thus forming conjugate acid.

HA+H_2O\rightarrow A^-+H_3O^+

Suppose acid Ha is getting dissociated in its solution and after dissociation it donates its proton to water molecule and forms conjugate base. Where as water (acting as a base) accepts protons and forms conjugate acid.

HA = Acid

H_2O = Base

A^- = Conjugate base

H_3O^+ = Conjugate acid

For example:

H_2SO_4+2H_2O\rightarrow SO_4^{2-}+2H_3O^+

Sulfuric acid dissociating in its solution to form conjugate base and conjugate acid.

Sulfuric acid  = Acid

H_2O = Base

SO_^{2-} = Conjugate base

H_3O^+ = Conjugate acid

3 0
4 years ago
What is the formula for selenium tetrafluoride
olasank [31]

Answer:

SeF4

Explanation:

SeF4

3 0
3 years ago
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