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3 years ago

What is a memory strategy?

SAT

2 answers:

Svetllana [295]3 years ago

7 0

memory strategies are techniques that can be used to learn and retain new knowledge

juin [17]3 years ago

4 0

They are techniques that can be used to learn and retain new knowledge

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What mass of glucose (C6H12O6) should be dissolved in 12. 0 kg of water to obtain a solution with a freezing point of -5. 8 ∘C?.

bogdanovich [222]

The mass of glucose solute dissolved in the solution is 6.739 Kg.

Recall that;

ΔT = K m i

ΔT = Freezing point depression

K =Freezing point depression constant = 1.86°C/mol

m = molality of the solution

i = Van't Hoff factor = 1 (molecular solution)

We have to find the freezing point depression from;

Freezing point depression = Freezing point of pure solvent - Freezing point of solution

Freezing point of pure water = 0°C

Freezing point of solution = -5. 8 ∘C

Freezing point depression = 0°C - (-5. 8 ∘C) = 5. 8 ∘C

Now;

m = ΔT/K i

m = 5. 8 ∘C/ 1.86°C/mol × 1

m = 3.12 m

But molality = number of moles of solute/mass of solvent in Kg

Molar mass of solute = 180 g/mol

Let the mass of solute be m

3.12 = m/180/12

3.12 = m/180 × 12

m = 3.12 × 180 × 12

m = 6739 g or 6.739 Kg

Learn more: brainly.com/question/6249935

8 0

2 years ago

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What is the length of line segment DC ??? HELP ASAP PLEASE

stellarik [79]

X=7 and all the sides are equal so just plug it in to get 13

6 0

3 years ago

Hannah has asked for your help in coming up with a MAD Goal to build her confidence. Write one MAD goal for Hannah.

Leokris [45]

Iam not shure what you mean by MAD. If you mean a crazy goal then here is one:Eat only healthy food for this year.If you meant something else, you can show it to me buy saying thank you and giving me brainliest (If possible).

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4 years ago

How to get rid of poison oak on ur skin

kati45 [8]

Answer:

Apply cool compresses to the skin. Use topical treatments to relieve itching, including calamine lotion, oatmeal baths

Explanation:

7 0

3 years ago

What’s g(x)=^2 end behavior

taurus [48]

Answer:

Look at the end behavior down.

there is:

1) up up (the parabola looking up)

2)down down (the parabola looking down)

3) down up (the positive cubic function)

4) up down (the negative cubic function)

*You have to memorize the conditions in the picture to answer any question*

g(x) = X^2

x^2 is a quadratic equation

it has even power and a positive leading coefficient so it is has a behavior of up-up

4 0

3 years ago