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melamori03 [73]
3 years ago
10

Using freezing point depression, explain why cars up north require more antifreeze than water.

Chemistry
1 answer:
Oksi-84 [34.3K]3 years ago
6 0

Cars up north require more antifreeze than water as a result of the colder

temperature which makes the coolant in vehicles more prone to freezing.

<h3>What is Freezing point depression?</h3>

This is a situation which occurs when solutes are added to a solvent in

order to reduce the freezing point of the solvent. The impurities help lower

the freezing point of the solvent and is commonly used in vehicles.

This is because cars in the North are exposed to colder temperatures

which could freeze the coolant(solvent).

Read more about Anti-freeze here brainly.com/question/1382943

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Main group elemants are arranged in _______ groups
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Susan has just moved into a new house. For some reason, she cannot get the grass to grow in her yard. She decides to grow small
Sidana [21]

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The plants at a light intensity of 1200 will produce more oxygen than the plants at 400.

Explanation:

5 0
3 years ago
1. What is the mass of the cart with a constant net force of 200N is exerted
postnew [5]

Answer:

50

Explanation:

so you'll have to apply Newton's 2nd law which is F=ma and then substitute the values that you already have in the question as in, the force is 200 and you'll have to find the acceleration by working it out which is 4m/s² and then find the mass by dividing 200 by 4 so the actual mass is 50kg ✌️❤️

7 0
3 years ago
Read 2 more answers
Hi! i’m not sure which one this is, please help. (:
ehidna [41]

Answer:

Explanation:

-"If he wanted to keep 'em after he was dead, a wicked old screw," pursued the woman, "why wasn’t he natural in his lifetime? If he had been, he'd have had somebody to look after him when he was struck with Death, instead of lying gasping out his last there, alone by himself."

This is showing that if he hadn't be so selfish and righteous, then he would not have been alone to die without anyone there to help or comfort him.  In the line, "why wasn't he natural in his life?", is asking why he wasn't a nice person.  Why didn't he help others.  If he had helped others, he would not have been so alone.A story set during a major battle, as both have a sudden rush of events.

3 0
4 years ago
se disuelve dicromato de potasio k2Cr2O7 en agua para hacer 300mL de solucion. si la molaridad de la solucion se desea que sea 0
Westkost [7]

Answer:

0.0375 moles.

11.03 gramos.

Explanation:

¡Hola!

En este caso, dado que la definición de molaridad viene dada por:

M=\frac{mol}{V}

En dónde el volumen viene dado en litros, primero es necesario convertir 300 mL a litros:

V=300mL*\frac{1L}{1000mL}=0.300L

Ahora, cómo se nos da la molaridad y el volumen, es posible calcular las moles como sigue:

mol=M*V\\\\mol=0.125mol/L*0.300L\\\\mol=0.0375mol

Seguidamente, como la masa molar del dicromato de potasio es 294.18 g/mol, la masa a pesar será de:

m=0.0375mol*\frac{294.18g}{1mol} \\\\m=11.03g

¡Saludos!

4 0
3 years ago
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