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vlada-n [284]
4 years ago
7

HELP ME WITH THIS 60 POINTS,5-STAR RATING, AN THANKS AND MARKED AS BRANLIEST.

Chemistry
1 answer:
Ad libitum [116K]4 years ago
7 0

Answer:

Independed Variable:

food, water, container

dependent variable:

temperature

Hypothesis:

That there are less chirps if temperature is lower

constants:

food, water, container

repeated trials:

10 crickets and 10 containers, 10x accurate than using 1 and 1

control:

Crickets and containers

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C12H26O + SO3+NaOH ----> C12H25NaSO4+ H2O
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Answer:

We can solve this by the method of which i solved your one question earlier

so again here molar mass of C12H25NaSO4 is 288.372 and number of moles for 11900 gm of C12H25NaSO4 will be = 11900/288.372

which is almost = 41.26 moles

so to get one mole of C12H25NaSO4 we need one mole of C12H26O

so for 41.26 moles of C12H25NaSO4 it will require 41 26 moles of C12H26O

so the mass of C12H26O = 41.26× its molar mass

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= 7688.38 gm!!

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Again i d k wether it's right or wrong but i tried my best hope it helped you!!

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Is the following nuclear equation balanced?<br><br> No<br> Yes
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Answer:

Yes.

The nuclear equation {226/88 Ra → 222/26 Rn + 4/2 He} is balanced. As we know that an alpha particle is identical to a helium atom. This implies that if an alpha particle is eliminated from an atom's nucleus, an atomic number of 2 and a mass number of 4 is lost.

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