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2 years ago

A scientist observes that the electrical resistance of a superconducting material drops to zero when the material is cooled

Chemistry

1 answer:

frutty [35]2 years ago

7 0

Answer:

<h2>The scientist is observing an intensive property of a superconductor.</h2>

Explanation:

This is the answer because no matter how much of the superconductor material is present the resistance of the superconducting material still drops to zero when the material is cooled to very low temperatures

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Jet001 [13]

Answer:

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3 years ago

When lithium nitride, Li3N(s) , is treated with water, H2O(l) , ammonia, NH3(g) , is produced. Predict the formula of the gas pr

Ronch [10]

<u>Answer:</u> The gas produced when sodium phosphide reacts with water is phosphine.

<u>Explanation:</u>

When sodium phosphide reacts with water molecule, it leads to the production of flammable, poisonous gas known as phosphine along with the production of sodium hydroxide.

The chemical reaction for the reaction of sodium phosphide with water follows the equation:

$Na_3P(aq.)+3H_2O(l)\rightarrow PH_3(g)+3NaOH(aq.)$

By Stoichiometry of the reaction:

1 mole of sodium phosphide reacts with 3 moles of water to produce 1 mole of phosphine gas and 3 moles of sodium hydroxide.

Hence, the gas produced when sodium phosphide reacts with water is phosphine.

7 0

3 years ago

Do atoms of a specific element contain the same number of protons

monitta

Answer:

No, they don't because of fact some way more than the other even if it's the same type of element.

Explanation:

There are two types of element weight I think.

5 0

3 years ago

Read 2 more answers

If the amount of dissolved solute in a solution at a given temperature is greater than the amount that can permanently remain in

Aleks04 [339]

that temperature is saturated.

4 0

3 years ago

write down the name and molecular formula of the compound which gives hydrogen ion and chloride ion in the solution state.

podryga [215]

Answer:

Hydochloric acid

HCl

Explanation:

The name of the compound that gives hydrogen ion and chloride ions in the solution state is Hydrochloric acid.

Hydrochloric acid is made up of one atom of hydrogen and 1 atom of chlorine. We can also say, it is made up of 1 mole of hydrogen and 1 mole of chlorine.

The formula of this compound is HCl;

In solution:

HCl $_{aq}$ → H⁺ + Cl⁻

8 0

2 years ago