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Rainbow [258]
3 years ago
13

Express 1340000 in scientific notation

Chemistry
2 answers:
Katen [24]3 years ago
8 0
1.34*10^6
Move the decimal 6 times to the left, it is a number 1-10
Talja [164]3 years ago
7 0

1.34 x 10^6

is the answer

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A powder sample weighing 250 g and having a surface area of 1 m2/g is dispersed in 1 L of water. After 10 minutes, 0.4 g of the
lisabon 2012 [21]

Answer:

a)

K = 2.64 * 10^{-8}

b)

15 \frac{5}{8} hours

Explanation:

Given

Surface Area (S) of 250 grams of powder sample = 250 square meter.

S = 2500000 square centimeter

V\frac{dC}{dT} = 0.40 grams/minute

V\frac{dC}{dT} = \frac{dM}{dT} = \frac{0.40*60}{10} = 0.66 mg per second

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a)

\frac{dM}{dT} = K SC_s

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