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Degger [83]
3 years ago
10

Xiang has created an email that contains a number of acronyms and proper nouns. He would like to use Spell Checker quickly witho

ut modifying these entries or being notified for successive use of the same word or phrase.
Which option should he choose in the Spell Checker?

Ignore Once
Ignore All
Change Once
Change All
Chemistry
2 answers:
user100 [1]3 years ago
6 0
Hey hi tygehyvdcercrcrgwgwv
Neko [114]3 years ago
6 0

Answer:

ignore all

Explanation:

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Addition of 6 m hcl to which substance will not result in gas evolution?
saul85 [17]

There is no gaseous product when NaNO3 reacts with 6M HCl.

We must note that gas evolution is one of the signs that a chemical reaction has taken place. Hence, we must consider the options and look out for an option in which reaction with HCl does not lead to a gaseous product. This is the option that does not lead to evolution of a gas.

Let us consider the reaction; NaNO3(s) + HCl(aq) ---> NaCl(s) + HNO3(aq), there is no gaseous product hence NaNO3 does not result in gas evolution upon addition of 6M HCl.

Missing parts;

Addition of 6 M HCl to which substance will NOT result in gas evolution?

(A) Al

(B) Zn

(C) K2CO3

(D) NaNO3

Learn more about evolution of gas: brainly.com/question/2186340

6 0
3 years ago
What fraction of the carbon dioxide exhaled by animals is generated by the reactions of the citric acid cycle
puteri [66]

Answer:

1/3

Explanation:

Pyruvate is produced by the glycolysis in cytoplasm. The oxidation of pyruvate takes place in mitochondrial matrix.  

Pyruvate is converted to acetyl-CoA in the reaction given below:

Pyruvate + NAD⁺ + CoA-SH ⇒ acetyl-CoA + NADH + CO₂

1 molecule of carbon dioxide is eliminated from 1 molecule of pyruvate.

Also,  

2 molecules of carbon dioxide is eliminated from 2 molecules of pyruvate (as glucose on glycolysis yields 2 molecules of pyruvate).

Also, acetyl-CoA further goes into the citric acid cycle and produces 2 molecules of carbon dioxide.

Thus pyruvate produces total 3 molecules of CO₂  and hence glucose produces 6 molecules of CO₂ (as glucose on glycolysis yields 2 molecules of pyruvate)

Thus,

<u>Fraction = 2/6 = 1/3</u>

4 0
4 years ago
How many grams are in 0.5 moles of C10H16?<br><br>Please show your work for marked brainliest!​
vagabundo [1.1K]

Answer:

68 g

Explanation:

Molar mass (C10H16) = 10*12.0 g/mol + 16*1.0 g/mol = (120+16)g/mol =

= 136 g/mol

m (C10H16) = n(C10H16)*M(C10H16) = 0.5 mol*136 g/mol = 68 g

n(C10H16) - number of moles of C10H16

M(C10H16) - molar mass of C10H16

5 0
4 years ago
Which scientist is credited with developing the orbital model of the atom? A. J.J. Thomson. . B. Ernest Rutherford. . c. Niels B
Yuliya22 [10]
C.) Neils Bohr is credited with that....
4 0
3 years ago
Read 2 more answers
Which of the following questions can be answered by science? (2 points) What makes a song sound beautiful? What is the meaning o
34kurt

Answer:

D

Explanation:

Its the only answer that actually makes sense and i got it right on the quiz.

5 0
4 years ago
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