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algol [13]
3 years ago
12

One way to account for the mass "lost" in a reaction that involves a gas would be to________.

Chemistry
1 answer:
sergiy2304 [10]3 years ago
5 0

Answer:

Place the experiments on a scale

Explanation:

If you place two of the same experiments on a scale, and cover one with a cup, the one with the cup will "lose" mass, while the other won't, due to the cup being a "containment field" I guess you could call it.

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Calculate moles of 3.9g of sodium
Vesnalui [34]

Answer:

\boxed{\text{0.17 mol}}

Explanation:

\text{M$_{r}$ of Na} = 22.99\\\text{Moles} = \text{3.9 g } \times \dfrac{\text{1 mol}}{\text{22.99 g}} = \text{0.17 mol}\\\\\text{ The sample contains $\boxed{\textbf{0.17 mol}}$ of Na}

4 0
3 years ago
After observing (you can repeat the process more than once), write a general statement explaining how reducing the volume change
ad-work [718]

Answer:

The correct answer is that both molecular motion, pressure and temperature increase as volume reduces.

Explanation:

A reduction in volume changes the molecular motion, temperature and pressure of the system. When the volume of the container decreases, this causes the pressure to increase, the temperature to increase and the molecular motion to increase. This is because a liquid and a solid are incompressible, so by reducing the volume of a gas, the molecules increase their movement as the temperature of the system increases, which is due to the increased pressure applied to reduce the volume of the system.

Have a nice day!

4 0
3 years ago
1. What are physical and chemical properties of metals, nonmetals, and metalloids?​
Yuri [45]
Metals are dense, shiny, good conductors of heat and electricity, and easily lose electrons in chemical reactions. Nonmetals are not dense, dull, do not conduct heat and electricity, and tend to gain electrons. Metalloids are elements that have properties of both metals and nonmetals.

Have a good day!
8 0
4 years ago
The name of the commonly used hardness scaled is:
Readme [11.4K]
Mohs scale of mineral hardness
3 0
3 years ago
Jada says she used the solution for 3 discs to help her solve the puzzle for 4 discs. describe how this might happen.
stich3 [128]

The Hanoi puzzle tower will take 585 billion years to solve.

What is Hanoi puzzle tower?

The Tower of Hanoi is a mathematical game or puzzle that uses three rods and a number of disks that can slide onto any rod.  It is also referred to as The Benares Temple Problem, Lucas' Tower, the Tower of Brahma, and the Pyramid Puzzle.

This monastery is reportedly present around the world, with Hanoi, Vietnam, serving as its primary location (thus the name).

Executive abilities like planning and working memory are thought to be measured by the Towers of Hanoi and London.

To learn more about Hanoi puzzle tower from the given link:

brainly.com/question/28167408

#SPJ4

3 0
2 years ago
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