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4 years ago

10

Think about how things might have been different if Becquerel had ignored the unexpected results of his experiment. Which charac

teristics describe him? Check all that apply. biased questioning creative open-minded rigid objective

1 answer:

olga55 [171]4 years ago

3 0

Answer: B, C, D, F

Questioning, creative, open-minded, objective

Explanation:

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Which best explains why sawdust burns more quickly than a block of wood of equal mass under the same conditions?

hammer [34]

More molecules in the sawdust can collide with oxygen molecules

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3 years ago

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Which of the following gases is formed during photosynthesis? (1 point)

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Answer:

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3 years ago

Rolls of foil are 304 mmmm wide and 0.014 mmmm thick. (The density of foil is 2.7 g/cm3g/cm3 .) What maximum length of foil can

ratelena [41]

Answer:

92.2 m

Explanation:

Given that:=

The breadth = 304 mm

Height = 0.014 mm

Let Length = x mm

Volume = $Length\times breadth\times height$

Thus,

Volume = $304\times 0.014\times x\ mm^3=4.256x\ mm^3$

Also, 1 mm³ = 0.001 cm³

So, volume = 0.004256 cm³

Given that density = 2.7 g/cm³

Mass = 1.06 kg = 1060 g

So,

$Volume=\frac{Mass}{Density}=\frac{1060}{2.7}\ cm^3=392.59\ cm^3$

So,

0.004256*x = 392.59

x = 92243.89 mm

Length of foil = 92243.89 mm = 92.2 m

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3 years ago

A student placed 19.0 g of glucose (c6h12o6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then

EleoNora [17]

<span>moles glucose = 19 g / 180 g/mol= 0.105
M = 0.105 / 0.100 L = 1.05

moles in 20.0 mL = 1.05 M x 0.0200 L = 0.0216

New concentration = 0.0216 /0.500 L = 0.0432 M
moles in 100 mL = 0.100 L x 0.0432 = 0.00432

mass = 0.00432 x 180 g/mol= 0.778 g</span>

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3 years ago

When you soaked a fresh cut eggplant to a clear water in 48 hours what would be the color of eggplant?

monitta

Answer:

i think black or brown

Explanation:

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