Column A

Chemistry

1 answer:

baherus [9]3 years ago

3 0

Answer:

The Following are the matching to this question:

$1 \to c\\2 \to b\\3 \to a\\4 \to e \\5 \to d \\6 \to f$

Explanation:

It includes creating assumptions, extracting predictions through logical outcomes, and experimentation observation based on those projections.
Every information gathered only with sense is also an observation. It expresses concern relating to scientific research. It also helps research scientists gather data.
Its independent variable inside an analysis is a controlled variable. It's also called "manipulated," because it can change its parameter, which is controlled one.
The suggested explanation for an occurrence is a hypothesis. It belongs to the scientific method. That's an experimental forecast, which is checked.
The experiment manipulates the important variables, calculates the dependent variable, controls any alien variables.
It "reacts" to improvements inside an experiment that they make. It is the result or consequence of an experiment.

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How many moles of gas would occupy a 25.0 liter when the temp is 22.0 degrees celsius and the pressure is 646 torr

Luda [366]

Answer:

0.877 mol

Step-by-step explanation:

We can use the Ideal Gas Law to solve this problem.

pV = nRT Divide both sides by RT

n = (pV)/(RT)

Data:

p = 646 torr

V = 25.0 L

R = 0.082 06 L·atm·K⁻¹mol⁻¹

T = 22.0 °C

Calculations:

(a) Convert the pressure to atmospheres

p = 646 torr × (1 atm/760 torr) = 0.8500 atm

(b) Convert the temperature to kelvins

T = (22.0 + 273.15) K = 295.15 K

(c) Calculate the number of moles

n = (0.8500 × 25.0)/(0.082 06 × 295.15)

= 0.877 mol

3 0

3 years ago

There are three different digits that make up the melting point of a compound. Describe these and detail what the sample looks l

Setler [38]

Answer:The three states of matter are the three distinct physical forms that matter can take in most environments: solid, liquid, and gas. In extreme environments, other states may be present, such as plasma, Bose-Einstein condensates, and neutron stars.

Explanation:

I'm pretty positive that's the right answer.........

4 0

3 years ago

an unknown volume of gas has a pressure of 0.50 atm and temperature of 325k. if the pressure is raised to 1.2atm and the tempera

postnew [5]

117 L. You can start by making a table to organize the information you are given. Then, you can use the formula PV/T=PV/T and plug in the numbers you have. You then solve for the missing volume. Remember that the initial pressure, temperature, and volume should be on one side of the equal sign, and the final pressure, volume, and temperature should be on the other side.