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3 years ago

Which of the following laboratory tools would be most appropriate for determining the volume of an irregular shape?

1 answer:

7 0

For an irregularly shaped objects, we use a GRADUATED CYLINDER to determine its volume by water displacement method. We fill the glassware first with water then measure the volume. Next, drop the object and read off the new volume. Calculate the difference between the volumes.

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Define Saturated Solution. What happens as a saturates solution cools?

solong [7]

Saturated solution is a solution in which no more solute can be dissolved in the solvent. When saturated solution cools, the solution began precipitate from the solution, because under lower temperature, usually, less amount solute can be dissolved in the solvent.

8 0

3 years ago

Read 2 more answers

QUESTION 4 Balance this chemical equation. A H2S + B Ag ---> C Ag2S + DH2

photoshop1234 [79]

Answer:

1H2S + 2Ag --> 1Ag2S + 1H2

Explanation:

1H2S + 2Ag --> 1Ag2S + 1H2

You only have to make sure to have the same amount of each element in each side of your chemical equation

7 0

3 years ago

1) Given the balance equation below. Calculate how much Na3PO4 in grams you

juin [17]

Answer:

136.67 g of Na3PO4 is required to create 100 gram of NaOH.

Explanation:

The balanced equation:

$Na_{3}PO_{4} + 3 KOH \rightarrow 3 NaOH + K_{3}PO_{4}$

1 mole Na3PO4 = 164 g/mole (Molar mass)

1 mole NaOH = 40 g/mole (Molar mass)

Now,

1 mole of Na3PO4 produce = 3 mole of NaOH

164 g/mol of Na3PO4 produce = 3(40) g/mol of NaOH

120 g/mol of NaOH is produced from = 164 g/mol of Na3PO4

1 g/mol of NaOH is produced from =

$\frac{164}{120}$

100 grams of NaOH is produced from =

$\frac{164}{120}\times100$ gram of Na3PO4

calculate,

= 136.67 g

8 0

3 years ago

What mixture is it ?

joja [24]

The mixture should be

Heterogeneous

Explanation:

Definition: Diverse in character or content.

7 0

3 years ago

What must happen for an ionic bond to be created between two elements?

dezoksy [38]

Answer:

they must be heated

Explanation:

3 0

3 years ago