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Zolol [24]
2 years ago
15

If you have 3 g of each substance, which would take up the smallest volume?

Chemistry
1 answer:
VashaNatasha [74]2 years ago
8 0

Answer:

Explanation:

f the mass of an object is 35 grams and it takes up 7 cm3 of space, calculate the density.

34 pages

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4. What will be the most effective means of increasing the dissolving<br>rate of sugar in water?​
trasher [3.6K]

Answer:

The best mean is heating the solution

3 0
3 years ago
Read 2 more answers
The reaction that takes place when iron metal combines with aqueous hydrochloric acid.
Juli2301 [7.4K]
The reaction gives out a yellow showery sparks and produces a black solid. Iron reacts with dilute hydrocloric acid to give iron chloride and hydrogen gas.

2Fe+2Hcl3 = 2FeCl3+H2

8 0
3 years ago
Aluminum (Al) is a/an:
Zinaida [17]

Answer:

Element.

Explanation:

Aluminum is an element because it is not separable into simpler substances. One thing important to keep in mind is that if something is on the Periodic Table of Elements, it is 100% an element.

8 0
3 years ago
A syringe with 32.0 mL contains gas at 649.0 mmHg. The plunger is pushed in and now the volume is 19.5 mL. What is the new press
Natasha2012 [34]

Answer:

1.40 atm

Explanation:

P1V1 = P2V2

P2= P1* V1/V2

P1=649.0mmHg

V1= 32.0mL

V2= 19.5mL

P2=649.0mmHg*32.0ml/19.5ml=

1065.03mmHg

To get mmHg to atm. The formula is 1atm/760mmHg

Use the answer you got in mmHg to convert into (atm), If you were asked

1065.03mmHg*(1atm/760mmHg)= 1.40atm

6 0
3 years ago
If u mix 10ml of 70%ethanol with 20ml of 80% ethanol with 50ml water what is the concentration of the resulted solution
morpeh [17]

Answer:

29% is the final concentration

Explanation:

To solve this question we must find the volume of ethanol added and the volume of the whole solution. The concentration will be:

Volume ethanol / Total volume * 100

<em>Volume ethanol:</em>

10mL * 70% = 7mL ethanol

+

20mL * 80% = 16mL ethanol

= 23mL ethanol

<em>Total volume:</em>

10mL + 20mL + 50mL = 80mL

<em>Concentration:</em>

23mL / 80mL * 100

= 29% is the final concentration

6 0
3 years ago
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