CHEMISTRY HIGH SCHOOL

The ideal gas constant, R has several different values that could be used. Which quantity causes these differences?a. pressure
b. temperature
c. volume
d. moles

Answers

Answer 1
Answer: The coorrect answer is option A. The pressure of the gas can cause the ideal gas constant R, to take dfferent values. Because all the other three factors namely, Temperature (T), Volume(V) and the number of moles (n) can change the pressure of a gas. So, I f we change the pressure of the gas alone, we can change its gas constant R value.
Answer 2
Answer: The answer is pressure. Pressure is characterized as drive per unit region. It is generally more advantageous to utilize weight instead of constraining to portray the impacts upon liquid conduct. The standard unit for weight is the Pascal, which is a Newton for every square meter.

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Which elements can form acidic compounds? Check all that apply. sulfur rubidium arsenic selenium silicon xenon antimony

Answers

The elements that can form acidic compounds are; sulfur, arsenic, selenium, antimony, silicon.

Acidic compounds are formed by nonmetals. Metallic elements form basic compounds. This means that rubidium does not form acidic compounds since it is a metal.

Also, xenon does not form compounds because it is a noble gas. Noble gases do not react with other elements to form compounds.

However; sulfur, arsenic, selenium, antimony, silicon are nonmetals and they form acidic compounds.

Learn more: brainly.com/question/14072179

The correct answer is Sulfur, Arsenic, selenium, silicon, and antimony.

A body moving with a velocity of 20 m/s begins to accelerate at 3 m/s2. How far does the body move in 5 seconds?A. 137.5 m
B. 196 m
C. 260 m
D. 162.5 m

Answers

The distance covered will be:

d = v_0\cdot t + (1)/(2)a\cdot t^2 = 20(m)/(s)\cdot 5\ s + (5)/(2)(m)/(s^2)\cdot 5^2\ s^2 = \bf 162,5\ m

The correct answer is D).

The Correct answer to this question for Penn Foster Students is: 137.5 m

Density is a measure of an object's _____ per unit _____.

Answers

Density is a measure of an object's mass per unit volume.

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Density is a mesjre of an objects mass per u it volume

Compare the reactivity of alcohols with the length of the R-group.

Answers

The longer the alkyl chain is, the lesser the reactivity of the alcohol and vice versa.

What are alcohols?

Alcohols are substances that possess the -OH functional groups. We know that the reactivity of the alcohol depends on the length of the alkyl group.

Now, the longer the alkyl chain is, the lesser the reactivity of the alcohol and vice versa. This is why the rate of reaction of high molecular weight alcohols is low.

Learn more about alcohols:brainly.com/question/4698220?r

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As you increase the chain of a alcohol, the reactivity decreases. This is due to an increase in disorder and decrease in intermolecular attraction between molecules.

Which subctant will not conduct electricity a Aluminium b copper c plastic d steel​

Answers

Answer:

plastic

Explanation:

plastic doesn't conduct electricity

When dissolved in water, an Arrhenius base yields(1) hydrogen ions (2) hydronium ions(3) hydroxide ions (4) oxide ions

Answers

Arrhenius bases yield hydroxide ions when in solution.  Arrhenius acids on the other hand yield hydrogen ions (which is sometimes called hydronium since the H⁺ turns to H₃O⁺ in water).

I hope this helps.  Let me know if anything is unclear.
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