2 years ago

Scientists have measured a cheetah running across the savannah at 70 m/s. Which of the foolowing pieces of

1 answer:

7 0

Answer:

You haven't provided us with ' the following pieces of

data'

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Tamiku [17]

Answer:

The correct answer is:

d. Na2S, NaF

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2 years ago

pentagon [3]

We are given with the mass of Arsine ( $AsH_{3}$

The mass of arsine is 15g

there is a relation between moles, mass and molar mass of any compound which is

$moles=\frac{mass}{molarmass}$

The molar mass of Arsine = atomic mass of As + 3X atomic mass of H

the molar mass of Arsine = 74.92 + 3X 1 = 77.92 g/mol

Let us calculate the moles as

$moles=\frac{15}{77.92}=0.192mol$

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2 years ago

Bogdan [553]

Answer:

In addition to aluminium, the main materials in duralumin are copper, manganese and magnesium.

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2 years ago

Zanzabum

Answer:448.9 J/kg °C

Explanation:

See attached photo

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2 years ago

Lelu [443]

I dont know the answer choices but if isotopes is there then go with Isotopes

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2 years ago