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3 years ago

Why are these graphs misleading

1 answer:

7 0

Although there isn’t a picture a graph can be misleading when it doesn’t start at zero, it doesn’t give accurate information, it skips too many numbers, the vertical scale is too big or too small. Hope this helps

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Which process does a cell use to extract energy from food in order to maintain homeostasis?

sweet [91]

I believe the answer is B
Hope it helped!

6 0

3 years ago

Read 2 more answers

A 1.00 L flask is filled with 1.10 g of argon at 25 ∘C. A sample of ethane vapor is added to the same flask until the total pres

Alex Ar [27]

Answer: a) Partial pressure of argon is 0.673 atm.

b) Partial pressure of ethane is 0.427 atm.

Explanation:

According to the ideal gas equation:'

$PV=nRT$

P = Pressure of the argon gas = ?

V= Volume of the gas = 1.00 L

T= Temperature of the gas = 25°C = 298 K (0°C = 273 K)

R= Gas constant = 0.0821 atmL/K mol

n= moles of gas = $\frac{\text {given mass}}{\text {Molar mass}}=\frac{1.10g}{40g/mol}=0.0275moles$

$P=\frac{nRT}{V}=\frac{0.0275\times 0.0821\times 298}{1.00}=0.673atm$

Thus the partial pressure of argon is 0.673 atm.

b) According to Dalton's law, the total pressure is the sum of individual pressures.

$p_{total}=p_1+p_2$

$p_{total}=p_{Ar}+p_{ethane}$

$1.100=0.673+p_{ethane}$

$1.100-0.673=p_{ethane}$

$p_{ethane}=0.427atm$

Thus partial pressure of ethane is 0.427 atm.

7 0

3 years ago

The jet stream is one of the key winds that moves air masses. In which direction does the jet stream in the United

s344n2d4d5 [400]

Answer: west to east

Explanation:

6 0

3 years ago

Sodium metal reacts with aluminum chloride to produce sodium chloride and aluminum. The balanced reaction is: 3 Na(s) + AlCl3(aq

andre [41]

First convert 12.0g of Na to moles using the grams to moles conversation and you get about .5219 moles (I didn't use significant figures). Divide that number by 3 because that is the coefficient of Na and you will get about .17398 moles, which is how many moles are in 1. Since Al has a coefficient of 1, .17398 woild be your final answer

3 0

3 years ago

A rigid tank contains 0.66 mol of oxygen (O2). Find the mass of oxygen that must be withdrawn from the tank to lower the pressur

dsp73

Answer:

12.8 g of $O_{2}$ must be withdrawn from tank