Write a sentence that explains how Earth is a magnetic field.

1 answer:

5 0

Earth magnetic field is a magnetic field that extend from earth interior out into the space where it meet the solar wind, a stream of charge particles emanating from the sun. It has magnitude at the earth surface which range from 25 to 26 microteslas. IN addition it is also known as geomagnetic field.

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What element make up organic compounds?

Shtirlitz [24]

Carbon atoms make up organic compounds.
Organic compounds are molecules that contain carbon atoms covalently bonded to hydrogen atoms (C-H bonds). Many organic compounds are formed from chains of covalently-linked carbon atoms with hydrogen atoms attached to the chain (a hydrocarbon backbone).

6 0

3 years ago

Calculate the analytical and equilibrium molar concentrations of the solute species in an aqueous solution containing 155 mg of

Cloud [144]

Answer:

The analytical molar concentration is 0,04743M

The equilibrium concentrations are HA = 0,01281M; H⁺ and A⁻ = 0,03462M

Explanation:

The analytical molar concentrations is:

155mg ≡ 0,155g÷163,4g/mol = 9,486x10⁻⁴ moles

9,486x10⁻⁴ moles ÷ 0,020L = 0,04743 M

The trichloroacetic acid [HA] dissociates in water in a 73%, thus:

HA ⇄ H⁺ + A⁻

The equilibrium concentrations are:

HA = 0,04743M ×(100-73)% = 0,01281M

H⁺ and A⁻ = 0,04743M ×73% = 0,03462M

I hope it helps!

8 0

4 years ago

When the volume of a gas is changed from 3.6 L to 15.5 L, the temperature will change from oC to 87°C

klio [65]

The answer:
When the volume of a gas is changed from 3.6 L to 15.5 L, the temperature will change from ?? oC to 87°C

application of charles law

charle's law tells that

T1/ V1 = T2 / V2, T must be in kelvin

it is given that V1 = 3.6 L, V2 = 15.5 L,
T2= 87°C= 360.15 K

so to find T1, T1 =(T2 / V2) x V1

T1= (360.15 / 15.5) * 3.6= 83.64° K = - 190.15° C

7 0

4 years ago

How many moles in 30.0 grams of h3po4

jok3333 [9.3K]

Molar mass H₃PO₄ = 98.0 g/mol

1 mole ----- 98.0 g
? mole ------ 30.0 g

moles = 30.0 * 1 / 98.0

= 0.306 moles

hope this helps!

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3 years ago

Which characteristic of planets depends upon its distance from the Sun?

Svetradugi [14.3K]

Answer:

I think its the length of its year

8 0

3 years ago

Read 2 more answers