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3 years ago

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1. How does nephron separate urine from blood ?

2. What properties of metals help to make them the following ? [ Mention two points for each ]
i. Utensils to cook in it
ii. Conducting wire
iii. Body of aeroplane

- Plagiarised / Random answers will be reported !

Chemistry

2 answers:

Troyanec [42]3 years ago

8 0

Answer: Hope This Helps

Explanation:

1: The nephrons contain a filter called the glomerulus. The fluid that is filtered from the blood then travels down through a tubule. The tubule adjusts the level of wastes that will leave the body in the urine.

(I dont know the second part so hope this half answer helps a little bit. Sorry.)

Over [174]3 years ago

7 0

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✍ 1. ➺ Nephrons have filters known as glomerulus (they are a cluster of very thin-walled blood capillaries). Glomerulus filters our blood & then removes any unwanted waste materials. Now, this filtrate which is removed out from the blood gets collected & filtered again in the Bowman's Capsule & tubules from where nephrons remove glucose, amino acids & a major amount of water. The urine forming in each kidney now enters a long tube (ureter) where urine passes & gets stored in the urinary bladder. Urine gets passed out of the body through the urethra.

ღ ____________________ ღ

✐ 2. i) Property of metals ⎆ Good conduction of heat.

ii) Property of metals ⎆ Good conduction of electricity & ductility.

iii) Property of metals ⎆ Malleability & ductility.

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Realice las siguientes conversiones: a) 72°F a °C, b) 213.8°C a °F, c)180°C a K, d) 315K a °F, e) 1750°F a K, f) 0K a °F.

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a) 72 °F= 22.22 °C

b) 213.8 °C= 416.84°F

c) 180 °C= 453.15 °K

d) 315 °K= 107.33 °F

e) 1750 °F= 1227.594 °K

f) 0 °K= -459.67 °F

Explanation:

Para realizar el intercambio de unidades debes tener en cuenta las siguientes conversiones:

Fahrenheit a Celsius: $C=\frac{F-32}{1.8}$

Celsius a Fahrenheit: °F= °C*1.8 + 32
Celsius a Kelvin: °K= °C + 273.15
Kelvin a Fahrenheit: F= (K -273.15)*1.8 + 32
Fahrenheit a Kelvin: $K=\frac{F-32}{1.8} + 273.15$

Entonces se obtiene:

a) 72 °F= $\frac{72-32}{1.8}$ =22.22 °C

b) 213.8 °C= 213.8*1.8 + 32= 416.84°F

c) 180 °C= 180°C + 273.15= 453.15 °K

d) 315 °K= (315 -273.15)*1.8 + 32= 107.33 °F

e) 1750 °F= $\frac{1750-32}{1.8} + 273.15$ = 1227.594 °K

f) 0 °K= (0 -273.15)*1.8 + 32= -459.67 °F

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