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zubka84 [21]
3 years ago
6

At STP there is 112L of HCl gas in a container. Read the stem and answer Q. No. 1 & 2.

Chemistry
1 answer:
KIM [24]3 years ago
4 0

You have four fixed-volume containers at STP. Container A has 0.5 mol of gas in 11.2L. Container B has 2 mol of gas in 22.4 L. Container C has 1 mol of gas in 22.4L. Container D has 2 Mol gas of gas in 11.2 L. Which of the four containers have equal pressures

A and C

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Which actions are part of a system of methodical tests and refinements specific to technological design? 1 documenting, tinkerin
telo118 [61]

Answer:

1. documenting, tinkering, testing

Explanation:

Technological design is defined as the process of study, design and development of new technologies.

There are some action in the methodical tests and refinements specific to technological design include documenting, tinkering, testing.

<u>Documenting </u><u>includes collecting all the information about the design and develop the product, </u><u>tinkering</u><u> involves repairing or adjust the issues found in the development, and </u><u>testing </u><u>helps to evaluate if the product is ready to work as it is supposed to.</u>

Hence, the correct answer is "1."

6 0
3 years ago
A scientist has a container with a substance inside. At first, the molecules in the substance move away from each other. Later,
den301095 [7]

Answer:

before the substance was a gas it was a liquid.

Explanation:

3 0
2 years ago
Please help with this
dlinn [17]

Answer:

A sample of a gas (5.0 mol) at 1.0 atm is expanded at constant temperature from 10 L to 15 L. The final pressure is 0.67 atm.

Step by Step Explanation?

Boyle's law states that in constant temperature the variation volume of gas is inversely proportional to the applied pressure.

The formula is,

P₁ x V₁ = P₂ × V₂

Where,

P₁ is initial pressure = 1 atm

P2 is final pressure = ? (Not Known)

V₁ is initial volume = 10 L

V₂ is final volume = 15 L

Now put the values in the formula,

\begin{gathered}\rm 1\times 10 = P_2\times 15\\\\\rm P_2 = \frac{10}{15\\} \\\\\rm P_2 = 0.67\end{gathered]

Therefore, the answer is 0.67 atm.

5 0
2 years ago
Read 2 more answers
How many moles of carbon are there in a 0.70 g (3.5 carat) diamond?
maksim [4K]

Answer:

3.5 x 10^22 moles of carbon are there in a 0.70 g (3.5 carat) diamond.

Explanation:

In case of diamond, the number of atoms is the same as the number of molecules.

7 0
3 years ago
Isotopes are atoms of the same element that have the same chemical property but may not have the same physical properties A true
Romashka-Z-Leto [24]

Answer:

false

Explanation:

Atoms of the same element that differ in their numbers of neutrons are called isotopes. Many isotopes occur naturally. ... Different isotopes of an element generally have the same physical and chemical properties because they have the same numbers of protons and elec

7 0
3 years ago
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