At stp what element is a good conductor of electricity?

Answers

Answer 1

Answer: copper is a good conductor

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A solution contains 0.400 g of naoh in 20.0 ml of solution. what is its molarity?

Answers

Molar mass NaOH = 40.0 g/mol

number of moles : 0.400 / 40.0 = 0.01 moles

20.0 mL in liters = 20.0 / 1000 = 0.02 L

M = n / V

M = 0.01 / 0.02

= 0.5 M

Which information about a chemical reaction is provided by a potential energy diagram?

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An energy profile of a reaction tells you whether it's endothermic or exothermic, the energy of the products and reactants, the activation energy needed for the forward (Ea) and reverse (Ea') reactions, the change in energy (∆E), and the energy of the activated complex.

The breakdown of glucose is linked to cellular work by a chemical driveshaft known as

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Answer:

ATP

Explanation:

Which value from his calculation most strongly affects the number of significant figures in the answer?

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well, the value that would most affect it is the one with the least sig figs

that would be the one that had the least precise way of measurement

“It is important we work together on this project; we want our group to succeed.” This statement reflects __________.a. centralization
b. individualism
c. masculinity
d. collectivization

Answers

Answer: Option (d) is the correct answer.

Explanation:

When people or group of people work collectively or work together in order to achieve a certain aim then it is known as collectivism.

In collectivization, people help each other.

Thus, we can conclude that it is important we work together on this project; we want our group to succeed.” This statement reflects collectivization.

Answer:

collectivization

Explanation:

if eqaul volumes of 0.1 m naoh and 0.1 m hcl arw mixed, the resulting solution will contain a salt and what

Answers

It will contain NaCl. The acid base reaction will look like this: HCl(aq)+NaOH(aq)⇒H₂O(l)+NaCl(aq)

The reaction occurs due to the fact that HCl (being a strong acid) will dissociate into H⁺ and Cl⁻ while NaOH (being a strong base) will dissociate into OH⁻ and Na⁺. The H⁺ and OH⁻ will react together to form water and the Na⁺ and Cl⁻ will remain in solution as the salt. (this is sometimes called a neutralization reaction since the HCl and NaOH neutralize each other.)

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

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A student designs an experiment where she will put the same amount of air into three different balloons. One balloon will be submerged in ice water, oneballoon will be carefully heated with a hair dryer, and the last balloon will be left alone. After making the changes, the student then will then measure the diameter of each balloon. The dependent variable is:A)The temperature of the balloonB)The diameter of the balloonC)The amount of airD)The three balloons