The unit of measure "mL" describes what property of a substance

Answers

Answer 1

Answer: It describes the property of a liquid.

Answer 2

Answer: i think its volume.......

Related Questions

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Compared to a 0.1 M aqueous solution of NaCl, a 0.8 M aqueous solution of NaCl has a(1) higher boiling point and a higher freezing point (2) higher boiling point and a lower freezing point (3) lower boiling point and a higher freezing point (4) lower boiling point and a lower freezing point
Plz solve this i need helpprozac C17H18F3NO is a widely used antidepresent that inhibits the uptake of sertonin by the brain. how many molecules are in 3 grams of prozac?

What is the gram-formula mass of (NH4)3PO4?(1) 112g/mol (2) 121g/mol (3) 149g/mol (4) 242g/mol

Answers

The gram-formula mass means that the mass of one mole molecule. Then you just need to calculate the elements together. So the gram-formula mass of (NH4)3PO4 is equals to (14+4)*3+31+16*4= 149g/mol. So the answer is (3).

149g/mol is the gram-formula mass of (NH $_4$ ) $_3$ PO $_4$ . Therefore, the correct option is option C.

The quantity of a compound which has the exact same mass in grammes that its formula mass in an atomic mass unit is said to have the compound's gramme formula mass. Each atom of every component has a distinctive mass, and every molecular unit of a compound possesses a distinctive mass determined by the complex's formula. It is referred to as the Gramme Formula Mass because the formula-determined mass of a substance that is ionic is calculated by adding the atomic masses of each of its constituents. Gram-formula mass of (NH $_4$ ) $_3$ PO $_4$ = (14+4)×3+31+16×4= 149g/mol

Therefore, the correct option is option C.

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Which substance yields H+(aq)as the only positive ion in an aqueous solution

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According to the Bronsted-Lowry Theory, that is an Acid.

In an experiment to test a new drug’s effectiveness, one group is given a larger dosage than is typically prescribed, and a second group is given a smaller dosage than is typically prescribed. Then, the results of the groups are compared to each other. What is missing that would improve this scientific design? control group

Answers

for the other group to pesxribe add another half to the bottle

Answer:

Need a control group.

Explanation: Without a control group you would not be able to interpret the results correctly.

Which of the following reactions show a decrease in entropy? a. CaO(s) + H2O(l) Ca(OH)2 (s) b. 2H2O (l) 2 H2 (g) + O2 (g) c. H2CO3 (aq) CO2 (g) + H2O (l) d. 2KClO3 (s) 3O2 (g) + 2KCl (s)

Answers

The correct answer is a. CaO(s) + H2O(l) Ca(OH)2 (s)
Decreasing in entropy means that you have to get a solid from the liquid
therefore : CaO(s) + H2O(l) Ca(OH)2 (s)
This formula will make it absolutely clear
$(g) -\ \textgreater \ (l) -\ \textgreater \ (s) more molecules -\ \textgreater \ less molecules$

Answer: The correct answer is Option a.

Explanation:

Entropy is defined as the measurement of randomness in a system.

Entropy increases as we move from solid state to liquid state to gaseous state and it decreases as we move from gaseous state to liquid state to solid state.

From the options above:

Option a: $CaO(s)+H_2O(l)\rightarrow Ca(OH)_2(s)$

Entropy is getting decreased because liquid reactants are changing its state to solid state.

Option b: $2H_2O(l)\rightarrow 2H_2(g)+O_2(g)$

In this reaction, entropy is increasing because the state is changing from liquid to gaseous state.

Option c: $H_2CO_3(aq.)\rightarrow CO_2(g)+H_2O(l)$

In this reaction, entropy is increasing because the state is changing from liquid to gaseous state.

Option d: $2KClO_3(s)\rightarrow 3O_2(g)+2KCl(s)$

In this reaction, entropy is increasing because the state is changing from solid to gaseous state.

Hence, the correct answer is Option a.

26 Which substance is an electrolyte?(1) C6H12O6(s) (3) NaOH(s)(2) C2H5OH(L) (4) H2(g)

Answers

Answer: Option (3) is the correct answer.

Explanation:

When a compound dissolved in solution dissociates into ions then the solution is able to conduct electricity is known as an electrolyte.

This means that ionic molecules are able to conduct electricity because they are able to dissociate into ions.

Thus, we can see that out of the given options NaOH is ionic in nature hence, it is an electrolyte.

Whereas $C_(6)H_(12)O_(6)$ , $C_(2)H_(5)OH$ , and $H_(2)$ are not ionic in nature therefore, they are not electrolyte.

Final answer:

An electrolyte is a substance that produces an electrically conducting solution when dissolved in water. Electrolytes are typically salts that dissociate into ions. Out of the given options, NaOH is an electrolyte as it can dissociate into Na+ and OH- ions. The correct option is 3.

Explanation:

An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water. It is typically formed when a salt dissociates into its component ions.

The free ions in the solution interact with the polar solvent (water), allowing the solution to conduct an electric current. In the options given, NaOH(option 3) is considered an electrolyte as it can dissociate into Na+ and OH- ions, thereby allowing the solution to conduct electricity.The correct option is 3.

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What measures the mads of an object

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Mass is the amount of matter an object has. We often use a triple-balance beam to measure mass. A triple-beam balance gets its name because it has three beams that allow you to move known massesalong the beam. Here is a picture of a triple beam balance.

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Using the following phase diagram, the area labeled A is in what phase?Solid Liquid Gas