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Hatshy [7]
3 years ago
6

Physical properties of tooth paste

Chemistry
1 answer:
tensa zangetsu [6.8K]3 years ago
5 0
The answer to the selected question is Flurione

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Newly hatched sea turtles immediately run towards water and begin swimming.
Bumek [7]

I think its A. but i'm not 100% sure.

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Which kingdom does a multicellular living organism most likely belong to?
kotykmax [81]

Answer:

the answer is Fungi

Explanation:

it makes its own food and doesn't move from place to place that why this is the answer

6 0
3 years ago
In an experiment 10 grams of a substance has a volume of 24 cm. What is the
egoroff_w [7]

Explanation:

density= mass/volume

= 10/24

= 0.41 g/cm³

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A landslide<br><br>A. weathering <br>B. erosion <br>C. deposition​
likoan [24]

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5 0
3 years ago
How many photons are produced in a laser pulse of 0.897 J at 407 nm?
Leona [35]
The relationship between energy of a single photon and its wavelength can be determined using the formula E=hc/lambda where E is energy, h is Planck's constant, c is the speed of light, and lambda is photons.

Before being able to solve for energy, need to convert nanometers to meters.

407 nm (1 m/1 x 10^9 nm) = 4.07 x 10^-7 m

Then plug in the values we know into the equation.
E h(Planck's constant) c(speed of light)
E = (6.63 x 10^-34 Js)(3 x 10^8 m/s) / 4.07 x 10^-7 m (lambda)

E=(0.000000000000000000000000000000000663js)(300,000,000m/s)=1.989×10^-25j/ms

E=1.989x10^-25j/ms /{divided by} 4.07x10^-7m = 4.8869779x10^-33 J (the meters cancel out)

E = 4.89 x 10^-33 J

This gives us the energy in Joules of a single photon. Now, we can find the number of photons in 0.897 J

0.897J / 4.89 x 10^-33 J = ((0.897 J) / 4.89) x ((10^(-33)) J) = 1.8343558 x 10^-34

1.83435583 × 10-34m4 kg2 / s4 photons
4 0
4 years ago
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