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Molodets [167]
3 years ago
11

There are several ways to express solution concentration: dilute, concentrated, ppm, molarity, molality, normality. All of these

have one thing in common. They describe the A) weight of solute mixed with a specific volume of water. B) quantity of solute dissolved in a given quantity of solvent. C) quantity of solvent dissolved in a given quantity of solute. D) amount in grams of solute dissolved in the volume of solvent.
Chemistry
1 answer:
Hoochie [10]3 years ago
8 0

Answer:

just pick b

Explanation:

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Which of the following would increase the strength of an electromagnet? Check all that apply.
TiliK225 [7]

Answer: The correct statements are ; A and B.

Explanation:

The strength of the magnetic field(B) in an electromagnet can be calculated using formula:

B=\mu\frac{N}{L}I

\mu = Relative permeability

N = number of turns

I = Current in the wire of the solenoid

L = length of the solenoid or electromagnetic

As we can see from the formula:

B\propto N

B\propto I

So, by increasing the turns and increasing current flowing through wire one can increase the strength of an electromagnet.

Hence, the correct statements are ; A and B.

5 0
3 years ago
An object has a weight of 5.10 Newtons (N) at sea level, where the acceleration due to gravity is 9.81 m/s2.
RUDIKE [14]
Well, you could get the mass as m=\frac{G_0}{g_0} ad then g_1=\frac{G_1}{m}, where G_0 is the sea level weight, g_0 the sea level accel., g_1 the accel. above while G_1 the weight above.
8 0
3 years ago
Read 2 more answers
N2__+3H2= 2NH3
ch4aika [34]
Use the molar mass of ammonia to change the grams to moles and then use mole-mole ratio

100. g NH3 (1 mol NH3/ 17.04 g) (3 mol H2/ 2 mol NH)= 8.80 moles H2
5 0
3 years ago
As a form of energy, light has specific properties such as color and brightness. Some properties can only be seen with special t
Sergeu [11.5K]

Answer:

D. As white light passes through a prism , it bends and separates into different colors

Explanation:

When light enters a prism, it experiences a phenomenon called 'refraction'.

Refraction occurs when light crosses the interface between two mediums with different optical density; when this happens, the light bends and also changes speed.

The angle at which the ray of light is refracted into the second medium depends on the optical density of the two mediums, but also on the wavelength of the light.

In particular, longer wavelengths (red color) are refracted the least, while shorter wavelengths (violet color) are refracted the most.

As a result, when white light (consisting of all the colors of visible light) enters into a prism, they different wavelengths are separated: therefore, white light separates into different colors.

So, the correct answer is

D. As white light passes through a prism , it bends and separates into different colors

5 0
3 years ago
What change in volume results if 60.0 mL of gas is cooled from 33.0 °C to 5.00°C?
Mariana [72]
The volume of the gas will be decreased. Answer lies on the understanding of kinetic energy of particles and how particles occupy certain amount of space.
<span>I forgot to add: the answer is 50.91 difference in temperature. </span><span><span>
</span></span>
3 0
3 years ago
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