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Nesterboy [21]
3 years ago
8

Does anybody know this question

Chemistry
2 answers:
zysi [14]3 years ago
6 0
30 feet/sec

Hope this helped!
lianna [129]3 years ago
5 0

Answer:

30 feet/second

Explanation:

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Dashawn has to find the volume of his phone for science
Mamont248 [21]

Answer: Volume of rectangle = L * W * H

Explanation: Multiply the 3 numbers together

6 0
3 years ago
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What is the role of the beaver in its ecosystem?
Arturiano [62]
Creating Wetlands. When beavers<span> make a dam, they slow the flow of water in the stream and, subsequently, a pond or area of wetland is formed. Roughly 85 percent off all native North American fauna rely on wetlands, so they're extremely important to the </span>ecosystem<span>.</span>
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3 years ago
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Given the following equation...
Ratling [72]

Answer:

The charge is +3

Explanation:

In Fe₂(SO₄)₃ the global charge is 0.

As we know, the sulfate ion, SO₄, has a charge of -2, as there are 3 SO₄ ions in the molecule, the global charge is -2*3 = -6. To solve for the charge of Fe we can use:

2Fe - 6 = 0

2Fe = +6

Fe = +3

<h3>The charge of the Fe of Fe₂(SO₄)₃ is +3</h3>
7 0
3 years ago
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Calculate the volume of oxygen at NTP obtained by decomposing 12.26g of KCLO3(at wt. K=39.1, Cl=35.5 and O = 16)​
Anuta_ua [19.1K]

Answer: 3.61 L

Explanation:

To calculate the moles, we use the equation:

moles=\frac{\text {given mass}}{\text {Molar mass}}

moles=\frac{12.26g}{122.6g/mol}=0.1moles

2KClO_3\rightarrow 2KCl+3O_2

2 moles of  KClO_3  produce = 3 moles of  O_2

0.1 moles of  KClO_3 produce = \frac{3}{2}\times 0.1=0.15 moles of    O_2

According to the ideal gas equation:'

PV=nRT

P = Pressure of the gas = 1 atm (NTP)

V= Volume of the gas = ?

T= Temperature of the gas = 20°C = (20+273) K = 293 K    (NTP)

R=  Value of gas constant in in kilopascals = 0.0821 Latm/K mol

1\times V=0.15\times 0.0821\times 293

V=3.61L

Thus volume of oxygen at NTP obtained by decomposing 12.26 g of  KClO_3 is 3.61 L

8 0
3 years ago
is nothing something and if so or if not how, is water wet, if 2 people dropped a piece of bread on the opposite sides of the ea
Zepler [3.9K]

Answer:

technically no

Explanation:

there are 2 definitions of sandwich. one is the food one: 'an item of food consisting of two pieces of bread with meat, cheese, or other filling between them, eaten as a light meal.' the earth isn't food so it can't be a sandwich. the 2nd definition is the verb : 'insert or squeeze (someone or something) between two other people or things, typically in a restricted space or so as to be uncomfortable.' by dropping a piece of bread on the opposite sides of the earth at the same time won't make the earth squished or uncomfortable, so no it can't be a sandwich ( or be sandwiched)

3 0
3 years ago
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