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3 years ago

Which the following statement ia correct for the equation shown here

Chemistry

1 answer:

Shkiper50 [21]3 years ago

7 0

B.

As you can see both NO and NH3 have 4 moles therefore it is 4:4 between the molecules or in other words a 1:1 ratio in simplest forms

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The density of silver is 10.5 g/cm3. what would be the mass (in grams) of a piece of silver that occupies a volume of 23.6 cm3?

Keith_Richards [23]

Hey there : !

density = 10.5 g/cm³

volume = 23.6 cm³

therefore:

D = m / V

10.5 = m / 23.6

m = 10.5 * 23.6

m = 247.8 g

hope this helps!

6 0

3 years ago

Read 2 more answers

How many moles of N₂ are essential for generating 0.08 moles of Li₃N in the given reaction?

joja [24]

Each mole of N₂ generates 2 moles of Li₃N. Thus,
0.08 moles of Li₃N will require:
0.08 / 2
= 0.04 moles of N₂

The second option is correct.

4 0

3 years ago

Which of the following has 62 neutrons, 46 protons, and 46 electrons?

Vesna [10]

The answer is Silver (Ag)

6 0

3 years ago

How many grams of Br2 are needed to completely convert 15.0 g Al to AlBr3 ?

wariber [46]

Answer:

133 g

Explanation:

Step 1: Write the balanced equation

2 Al(s) + 3 Br₂(l) ⇒ 2 AlBr₃(s)

Step 2: Calculate the moles corresponding to 15.0 g of Al

The molar mass of aluminum is 26.98 g/mol. The moles corresponding to 15.0 g of Al are:

$15.0g \times \frac{1mol}{26.98g} = 0.556mol$

Step 3: Calculate the moles of Br₂ that react with 0.556 moles of Al

The molar ratio of Al to Br₂ is 2:3. The moles of bromine that react with 0.556 moles of aluminum are:

$0.556molAl \times \frac{3molBr_2}{2molAl} = 0.834molBr_2$

Step 4: Calculate the mass corresponding to 0.834 moles of Br₂

The molar mass of bromine is 159.81 g/mol. The mass corresponding to 0.834 moles of Br₂ is:

$0.834mol \times \frac{159.81g}{mol} = 133 g$

8 0

3 years ago

A chemist has 2. 0 mol of methanol (CH3OH). The molar mass of methanol is 32. 0 g/mol. What is the mass, in grams, of the sample

natima [27]

The mass, in grams, of the sample of methanol (CH₃OH) is 64 grams.

<h3>How we calculate mass from moles?</h3>

Mass of any substance can be calculated by using moles as:

n = W/M, where

W = required mass

M = molar mass

In the question that:

Moles of methanol = 2mole

Molar mass of methanol = 32g/mole

On putting these values in the above equation, we get

W = n × M

W = 2mole × 32g/mole = 64g

Hence, 64 grams is the mass of the sample.

To know more about moles, visit the below link:

brainly.com/question/15374113

6 0

3 years ago

Which the following statement ia correct for the equation shown here​

Which the following statement ia correct for the equation shown here