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Vesnalui [34]
2 years ago
14

In electromagnetic waves, the frequency and wavelength are inversely proportional, which means if one gets larger,

Chemistry
2 answers:
lora16 [44]2 years ago
6 0

Answer:The explanation is true

Directly proportional is like temperature and volume

V=kT  as Temp increases, volume increases

Inversely proportional is like pressure and volume

VP=k  as P increases, V decreases.

since wavelength time frequency is the speed of light,

wavelength and frequency are inversely proportional

lf=c

Explanation:

In electromagnetic waves, the frequency and wavelength are inversely proportional, which means if one gets larger, the other must get smaller. ...

Advocard [28]2 years ago
5 0
The answer is true
Hope this helps
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+ H₂O
trapecia [35]

Answer:

None of these are correct, because there is no way to balance this equation, but I hope these steps help you figure out your answer.

Explanation:

Count out the single amounts of elements you have on both sides of the equation. To be balanced, you need to have the exact same for each element.

Before balanced Left side.

Cl-2

O-8

H-2

Before balanced right side.

H-1

Cl-1

O-3

That means we need to increase Hydrogen, Chlorine and Oxygen on the right for sure and see how that affects the equation. You can keep adding the Coefficients until the # of elements begin to match on each side.  

(I tried to balance this equation, it doesn't work, there is too much on the reactants side for what the product is.)

8 0
3 years ago
When you heat a substance what happens to the molecules
tatyana61 [14]
I'm pretty sure they come closer, and on the small chance i'm wrong, they separate.<span />
6 0
3 years ago
Read 2 more answers
A copper cylinder, 12.0 cm in radius, is 44.0 cm long. If the density of commoner is 8.90 g/cm3, calculate the mass in grams of
inna [77]

The mass of the copper cylinder is 177065.856g

Given:

Radius of the copper cylinder R=12cm

Height of the copper cylinder H=44cm

Density of the cylinder=8.90 \frac{g}{c m^{3}}

To find:

Mass of the copper cylinder

<u>Step by Step by explanation:</u>

Solution:

According to the formula, Mass can be calculated as

\rho=\frac{m}{v} and from this

m=\rho \times v

Where, m=mass of the cylinder

\rho =density of the cylinder

v=volume of the cylinder

And also cylinder is provided with radius and height value.

So volume of the cylinder is calculated as

v=\pi r^{2} h

Where \pi=3.14

r=radius of the cylinder=12cm

h=height of the cylinder=44cm

Thus, v=3.14 \times 12^{2} \times 44

v=3.14 \times 144 \times 44

v=19895.04 \mathrm{cm}^{3}

And we know that, m=\rho \times v

Substitute the known values in the above equation we get

m=8.90 \times 19895.04  

m=177065.856g or 177.065kg

Result:

Thus the mass of the copper cylinder is 177065.856g

4 0
3 years ago
which of the following substances is least able to cross the blood-brain barrier.)a. waterb. sodium ionsc glucosed. white blood
ivolga24 [154]

Answer:

d. white blood cells

Explanation:

It is the white blood cells that have the least tendency to cross the blood- brain barrier.

Blood- brain barrier is psychological barrier and restricts substances that circulate into the blood from crossing over the central nervous system.

Water, glucose as well as sodium ions can easily cross the barrier. As these are good for body supply energy to the brain.

8 0
3 years ago
Hi please Help me in my hww
omeli [17]
1) is C because the arrows are pointing in so that means to squeeze
3) is A as the picture shows the dropper
8 0
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