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lbvjy [14]
4 years ago
10

What type of front is associated with hail storms

Chemistry
2 answers:
Gekata [30.6K]4 years ago
7 0
I think its a cold front.


lana [24]4 years ago
5 0
<span>many fronts cause weather events like rain, thunderstorms, gusty winds, and tornadoes. at a warm front there may be low stratus clouds. usually the skies clear after the front has passed,a weather front is a border between two different air masses at the earth's surface</span>
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What does ''Isotope'' means? &amp;from which language that drives from? answer to me then you will have 20 points help me then y
coldgirl [10]

Isotopes are variants of a particular chemical element which differ in neutron number, and consequently in nucleon number. All isotopes of a given element have the same number of protons but different numbers of neutrons in each atom.

The term isotope is formed from the Greek roots isos ("equal") and topos ("place"), meaning "the same place".

3 0
4 years ago
Student follow up
sleet_krkn [62]

Answer:

Magnesium and calcium belong to the second group i. e. alkaline earth metals. They are known as earth metals because they are extracted from the earth. They are very reactive elements. Their reactivity increases when we go from top to bottom because the outermost electrons goes farther from the nucleus i. e. atomic radius increases so less energy is needed for its removal.

8 0
3 years ago
What is the composition, in atom percent, of an alloy that consists of 30 wt% Zn and 70 wt% Cu?
Xelga [282]

The composition, in atom percent, of an alloy that consists of 30 wt% Zn and 70 wt% Cu is 29.4 at % and 70.6 at % for Zn and Cu respectively.

<h3>How to convert weight % to atom %?</h3>

The weight percentage of an element can be converted to atom percentage as follows:

  1. C(Zn) = C1A2 / (C2A1) + (C1A2) × 100
  2. C(Cu) = C2A1 / (C1A2) + (C2A1) × 100

Where;

  • C1 = 30
  • C2 = 70
  • A1 = 65.4g/mol
  • A2 = 63.55g/mol

  • C(Zn) = {30*63.55} / (70*65.4) + (30*63.55) × 100
  • C(Cu) = {70*65.4} / (30*63.55) + (70*65.4) × 100

  • C(Zn) = 29.4 at %
  • C(Cu) = 70.6 at %

Therefore, the composition, in atom percent, of an alloy that consists of 30 wt% Zn and 70 wt% Cu is 29.4 at % and 70.6 at % for Zn and Cu respectively.

Learn more about atomic percent at: brainly.com/question/10018123

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8 0
2 years ago
What is the direction of heat flow that occurs between the dry ice and the air in the flask
Elan Coil [88]
Without an external doing work, heat will always flow from a hotter to cooler object. Two objects of different tempatures always interact. There are three different ways for heat to flow from one object to another. They are conduction, convention, and radiation. 
8 0
3 years ago
Help me please I really need help and answer only if u know the answer
Ahat [919]

Answer:

They have similar DNA

Explanation:

DNA is what makes a reasons appearance

4 0
3 years ago
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