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Stells [14]
3 years ago
14

Sarah performs an experiment to see whether bees prefer red flowers or yellow flowers. Look at this table of results from the ex

periment.
What is the independent variable in this investigation?
A. time
B. color of flower
C. total number of bees
D. number of bees at each flower
Chemistry
1 answer:
denis-greek [22]3 years ago
5 0
I thinkkkkk it is B I’m not sure
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What is the volume, in liters, of 13.5 moles of a gas at STP? (STP = 273.15K, 1 atmosphere)
RideAnS [48]

Answer:

302.75 Liters

Explanation:

Given:

P = 1 atm

V = ?

n = 13.5 moles

R = 0.0821 atm x L / mole x K

T = 273.15 K

PV = nRT

(1) (V) = (13.5) (0.0821) (273.15)

V = 302.75 Liters

4 0
2 years ago
Which pair of formulas represents the same compound? ch3ch2cho; ch3ch2cooh ch3coh(ch32; (ch3 3coh c2h5oh; ch3och3 (ch32co; ch3oc
DiKsa [7]
CH3COH(CH3)2; (CH3)3COH is the answer. Please let me know if this helps.
8 0
3 years ago
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There is 35 mg of sodium in a can of Coke. You determine it to be 28 mg. What is your percent error?
natali 33 [55]

Answer:

The answer is

<h2>20 %</h2>

Explanation:

The percentage error of a certain measurement can be found by using the formula

P(\%) =  \frac{error}{actual \:  \: number}  \times 100\% \\

From the question

actual volume = 35 mg

error = 35 - 28 = 7

The percentage error is

P(\%) =  \frac{7}{35}  \times 100 \\  =  \frac{1}{5}  \times 100 \\  =  20

We have the final answer as

<h3>20 %</h3>

Hope this helps you

8 0
2 years ago
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NeX [460]

Answer:

kf

Explanation:

5 0
3 years ago
HELP PLEASE I NEED HELP THANKS I LOVE U
Pani-rosa [81]

Answer:

0.500-Molarity solution

Explanation:

4 0
3 years ago
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