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3 years ago

What is made when salt is dissolved in water?

Chemistry

2 answers:

RideAnS [48]3 years ago

7 0

well none its made from iron nut i would go with c. a solution sorry if im wrong tell me in comments

zvonat [6]3 years ago

7 0

I’m pretty sure the answer is C

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I WIll upvote for answer<br> Balance the following reaction Fe^2 O ^3 +HCI->FeCI^3+H^2O

kotykmax [81]

Fe^2 O^3 + 6HCl --> 2FeCl^3 + 3H^2 O

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3 years ago

A certain substance X has a normal freezing point of -6.4 C and a molal freezing point depression constant Kf= 3.96 degrees C.kg

Brut [27]

Answer: $1.0\times 10^2g$

Explanation:

Depression in freezing point is given by:

$\Delta T_f=i\times K_f\times m$

$\Delta T_f=T_f^0-T_f=(-6.4-(13.6))^0C=7.2^0C$ = Depression in freezing point

i= vant hoff factor = 1 (for non electrolyte like urea)

$K_f$ = freezing point constant = $3.96^0C/m$

m= molality

$\Delta T_f=i\times K_f\times \frac{\text{mass of solute}}{\text{molar mass of solute}}\times \text{weight of solvent in kg}}$

Weight of solvent (X)= 950 g = 0.95 kg

Molar mass of non electrolyte (urea) = 60.06 g/mol

Mass of non electrolyte (urea) added = ?

$7.2=1\times 3.96\times \frac{xg}{60.06 g/mol\times 0.95kg}$

$x=1.0\times 10^2g$

Thus $1.0\times 10^2g$ urea was dissolved.

8 0

3 years ago

What piece of equipment is used to measure: length

avanturin [10]

Answer:

Ruler

Explanation:

Ruler and eraser kakgjwjeigidiifigig

8 0

2 years ago

Read 2 more answers

How is the Law of Conservation of Mass, Matter, Phases of Matter, and Physical/Chemical Changes similar/connected to one another

kogti [31]

Answer:

Solids, liquids, and gases are made of tiny particles called atoms and molecules. In a solid, the particles are very attracted to each other. They are close together and vibrate in position but don't move past one another. In a liquid, the particles are attracted to each other but not as much as they are in a solid.

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3 years ago

Which type of heat transfer does the situation below model? At a sports event, the spectators do the 'wave'. Starting at one end

Zanzabum

Answer:

radiation

Explanation:

Based on the scenario being described in the question it can be said that the type of heat transfer that is being modeled is radiation. Like demonstrated in the picture attached below, radiation involved the transfer of heat through rays, waves, or particles as opposed to fluids or gases. Which is what is happening in this scenario, since the individuals are building up heat by moving and that heat is being passed on to the individuals around them through waves.

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3 years ago