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3 years ago

For which of the following reactions does Kc = Kp?

Chemistry

1 answer:

Julli [10]3 years ago

4 0

None of the choices are right

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For each of the following questions give the name of an element from period 2 lithium to neon which matches the description elem

VLD [36.1K]

Answer:

d i think it makes the most sense

8 0

3 years ago

Help me on a and b pls

marusya05 [52]

Answer:

yes, it is increased by atomic mass

Explanation:

5 0

3 years ago

Exactly 10.7 mL of water at 28.0 °C is added to a hot iron skillet. All of the water is converted into steam at 100.0°C. The mas

kotegsom [21]

Answer:

<u><em>The change in the temperature of the iron is a decrease of 14.0ºC.</em></u>

Explanation:

See the file attached, since it was not possible to show the complete answer in the canvas.

Download pdf

3 0

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.

7 0

2 years ago

What is the empirical formula for a compound that is 43.6% phosphorus

Kazeer [188]

Answer:

d. P2O5.

Explanation:

We find the ratio of the atoms by dividing the percentages by the relative atomic masses:

P : 43.6 / 30.974 = 1.4076

O: 56.4 / 15.999 = 3.5252

1.4076 : 3.5252

= 1 : 2.5

= 2:5.

So the answer is P2O5.

3 0

3 years ago