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3 years ago

8

Which chemical equation below is balanced to follow the Law of Conservation of Mass?

2 answers:

Ad libitum [116K]3 years ago

4 0

Answer:

Balanced Equation

H₂ + Cl₂ → 2HCI

Explanation:

i did it and 100%

vekshin13 years ago

3 0

Answer:

Balanced Equation

H₂ + Cl₂ → 2HCI

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What is the application of chemistry

vlabodo [156]

Answer:

Chemistry plays an important and useful role towards the development and growth of a number of industries. This includes industries like glass, cement, paper, textile, leather, dye etc. We also see huge applications of chemistry in industries like paints, pigments, petroleum, sugar, plastics, Pharmaceuticals.

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3 years ago

How do you solve for x?

Ad libitum [116K]

Answer:

substitution is the best method or collecting like terms

Explanation:

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3 years ago

Low concentrations of EDTA near the detection limit gave the following dimensionless instrument readings: 175, 104, 164, 193, 13

Mila [183]

Answer:

Following are the solution to these question:

Explanation:

Calculating the mean:

$\bar{x}=\frac{175+104+164+193+131+189+155+133+151+176}{10}\\\\$

$=\frac{1571}{10}\\\\=157.1$

Calculating the standardn:

$\sigma=\sqrt{\frac{\Sigma(x_i-\bar{x})^2}{n-1}}\\\\$

Please find the correct equation in the attached file.

$=28.195$

For point a:

$=3s+yblank \\\\=3 \times 28.195+50\\\\=84.585+50\\\\=134.585\\$

For point b:

$=3 \ \frac{s}{m}\\\\ = \frac{(3 \times 28.195)}{1.75 \times 10^9 \ M^{-1}}\\\\= 4.833 \times 10^{-8} \ M$

For point c:

$= 10 \frac{s}{m} \\\\= \frac{(10 \times 28.195)}{1.75 x 10^9 \ M^{-1}}\\\\ = 1.611 \times 10^{-7}\ M$

It is calculated by using the slope value that is $1.75 \times 10^9 M^{-1}$ . The slope value $1.75 \times 10^9 M^{-1}$ is ambiguous.

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2 years ago

Which statement correctly describe the nucleus of the atom

Elza [17]

Protons,neutrons,electrons

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Treatment of butanedioic (succinic) anhydride with ammonia at elevated temperature leads to a compound of molecular formula C4H5

artcher [175]

Answer:

The product is Methyl cyanoacetate

Explanation: see structure attached

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3 years ago