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arsen [322]
3 years ago
8

Twenty molecules of tetrasulfur tetranitrogen contain how many atoms of sulfur?

Chemistry
1 answer:
viva [34]3 years ago
7 0
The correct answer is 80 atoms of sulfur.

In order to answer this question we must firstly find the molecular formula of tetrasulfur tetranitrogen. The said molecule has the molecular formula of S4N4.
Therefore, each molecule of S4N4 contains four atoms of sulfur (S).
If one molecule of S4N4 contains 4 sulfur atoms, then twenty molecules contain 
20 x 4= 80 atoms of sulfur.

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How many grams of calcium chloride were used if 2.485 grams of calcium oxalate monohydrate were produced, assuming a 100% yield.
DochEvi [55]

Answer:

54 G

Explanation:

5 0
3 years ago
Explain Charles law​
kodGreya [7K]

"Charles Law" is the relationship between "volume-temperature" (V ∝ T).

<u>Explanation</u>:  

Charles Law is basically volume-temperature relationship (V ∝ T). French scientist “Jacques Charles” in 1787 studied effect of temperature on the volume of gases at constant pressure, which described how gases manage to expand when heated. Law stated as “At constant pressure, the volume of a given "mass" of a gas decreases or increases by 1/273 of its volume at 0^{\circ} \mathrm{C} for each one degree rise or fall in temperature”. Formula derived from law is as follows: \mathbf{V}_{\mathbf{t}}=\mathbf{V}_{0}[\mathbf{1}+\mathbf{t} / \mathbf{2} 7 \mathbf{3}] here {V}_{0} is volume of given mass of a gas at 0^{\circ} \mathrm{C}, {V}_{t} is its volume at any temperature t^{\circ} \mathrm{C}. Application of Charles law is hot air balloons.

8 0
3 years ago
Plants and animals get the nitrogen they need
babunello [35]
Yes they do. they work very hard for their nitrogen.
8 0
3 years ago
What temperature would be required to keep 0.895mol of gas in a 28.6L tank at a pressure of 0.500atm?
True [87]

Answer:

The temperature would be 194, 8 K.

Explanation:

We use the formula:

PV=nRT --> T=PV/nR

T= 0,500 atm x 28, 6 L/ 0,895 mol x 0,082 l atm /K mol

<em>T= 194,8494345 K</em>

3 0
4 years ago
Calculate the work done when a force of 4 N pulls a box along the floor for a distance of 0.3 m.
Yuki888 [10]

Answer:

<h2><em>1</em><em>.</em><em>2</em><em> </em><em>Joule</em></h2>

<em>sol</em><em>ution</em><em>,</em>

<em>Force=</em><em>4</em><em> </em><em>N</em>

<em>Distance</em><em>=</em><em>0</em><em>.</em><em>3</em><em> </em><em>m</em>

<em>Now</em><em>,</em>

<em>work = f \times d \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 4 \times 0.3 \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 1.2 \: joule</em>

<em>hope</em><em> </em><em>this </em><em>helps</em><em>.</em><em>.</em><em>.</em>

<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em><em>.</em><em>.</em>

8 0
4 years ago
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