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Evgesh-ka [11]
4 years ago
15

Technician A says that a leaking head gasket can be tested for by using a chemical tester. Technician B says that a leaking head

gasket can be found using an exhaust gas analyzer. Who is correct?
Chemistry
1 answer:
swat324 years ago
3 0

Answer: Both technicians are correct

Explanation: A chemical tester and exhaust gas analyzer are two important ways to check for gasket leakage

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If you tried forming an ionic bond between sodium and aluminum, would it work? Why? (please help! this is for a friend)
sineoko [7]

Answer:

The answer to your question is No

Explanation:

Ionic bonding is a kind of bonding that involves the attraction between oppositely charged ions. That means that one element must have a positive charge and the other a negative charge.

Also, the difference in electronegativity of both elements must be higher than 1.7.

Both Sodium and Aluminum are positively charged then an ionic bond is not possible to be formed.

Difference of electronegativity = 1.61 (Al) - 0.93(Na)

                                                    = 0.63

To form an ionic bond the difference of electronegativity must be higher than 1.7.

3 0
3 years ago
Sodium phosphate reacts with sulfuric acid to form sodium sulfate and phosphoric acid. What is the stoichiometric coefficient fo
Roman55 [17]

When sodium phosphate reacts with sulfuric acid, forming sodium sulfate and phosphoric acid, the stoichiometric coefficient for sulfuric acid in the balanced chemical equation is 3.

In every balanced chemical equation, the total number of individual atoms on the reactant side must be equal to the total number of individual atoms on the product side. The stoichiometric coefficient is the number written in front of each reactants and products that tells how many moles of each are needed in the reaction.

The chemical equation for the given reaction is:

Na_{3} PO_{4} + H_{2} SO_{4} = Na_{2} SO_{4} + H_{3} PO_{4}

Put the necessary stoichiometric coefficient to balance each element.

Balancing Na:

2Na_{3} PO_{4} + H_{2} SO_{4} = 3Na_{2} SO_{4} + H_{3} PO_{4}

Balancing P:

2Na_{3} PO_{4} + H_{2} SO_{4} = 3Na_{2} SO_{4} + 2H_{3} PO_{4}

Balancing S:

2Na_{3} PO_{4} + 3H_{2} SO_{4} = 3Na_{2} SO_{4} + 2H_{3} PO_{4}

Notice that H and O are already balanced.

Hence, the balanced chemical equation for the reaction is:

2Na_{3} PO_{4} + 3H_{2} SO_{4} = 3Na_{2} SO_{4} + 2H_{3} PO_{4}

where 3 is the stoichiometric coefficient of sulfuric acid, H_{2} SO_{4}.

Learn more about stoichiometric coefficient here: brainly.com/question/6666875

#SPJ4

3 0
1 year ago
Step 5: Measuring the Volume of Air Near 20°C (Room Temperature) temperature of gas height of the column of gas
stealth61 [152]

Answer:

1. Temp of gas 21C, 6.2

2.Temp of gas 294, Volume of gas 0.78cm3

Explanation:

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3 years ago
Which statement best explains the purpose of using a mole in the measurement of matter?
oee [108]
Mole is a unit that has become the way of scientist and those who are interested in the filed to count the number of substances or atoms. Thus, the answer is letter B. It will be very impractical for them to count the atoms using the natural numbers are they are very small and very numerous. 
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4 years ago
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