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Marysya12 [62]
3 years ago
9

The order of elements in the periodic table is based on of elements in the periodic table is based on

Chemistry
2 answers:
Serhud [2]3 years ago
6 0
The increasing atomic number
gizmo_the_mogwai [7]3 years ago
3 0

It is based on the atomic number

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Language of chemistry
Alisiya [41]

Answer:

A

Explanation:

Pico(p) has a value of 10^-12.

Nano(n) has a value of 10^-9.

A. 374ps= 374×10^-12 s

B. 3.74ps= 374×10^-14 s

C. 374ns= 374×10^-9 s

3 0
3 years ago
A 250mL sample of oxygen is collected over water at 30 C and 850 torr pressure. What is the pressure of the dry gas alone?
3241004551 [841]

Answer:

p_O=818.2torr

Explanation:

Hello there!

In this case, according to the given equation, it is possible to calculate the mass of oxygen by using the Dalton's law, considering that the total pressure is 850 torr and the vapor pressure of water at 30°C is 31.8 torr:

P_T=p_O+p_{H_2O}

Thus, we solve for the pressure of oxygen as follows:

p_O=P_T-p_{H_2O}\\\\p_O=850torr-31.8torr\\\\p_O=818.2torr

Best regards!

6 0
3 years ago
Identify the anode and cathode please
Nuetrik [128]

Answer:

anode is negative. cathode is positive.

6 0
2 years ago
Which term is described as a flat expanse of ocean floor
makkiz [27]
An abyssal plain......................................
4 0
2 years ago
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How many square centimeters are in an area of 9.90 inch2 ?
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Answer:

63.8708 hope this helps :)

Explanation:

7 0
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