3 years ago

For a trip to the Moon, a rocket must lift off from

Chemistry

1 answer:

VLD [36.1K]3 years ago

5 0

Answer:

20 m/s^2

Explanation:

given,

final velocity (v) = 6000m/s

initial velocity (u) = 0m/s

time taken (t) = 5 minutes

= 5×60second

= 300second

acceleration(a) = ?

we know that,

a = (v-u)/t

= (6000-0)/300

= 20 m/s^2

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How many grams of oxygen gas must react to give 2.10g of ZnO?

Advocard [28]

The chemical reaction is written as:

2Zn + O2 = 2ZnO

We are given the amount of the product to be produced from the reaction. We use this value and the relation of the substances in the reaction to calculate what is asked. We do as follows:

2.10 g ZnO ( 1 mol / 81.408 g ) ( 1 mol O2 / 2 mol ZnO ) ( 32 g / 1 mol ) = 0.414 g O2 is needed

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3 years ago

PLS HELPP DUE TODAY NEED DONE

Zarrin [17]

Answer:

Explanation:

Each coil increases it by a multiple of 100.

=> 50 | 3 | 15,000

=> 100 | 3 | 30,000

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3 0

2 years ago