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Grace [21]
3 years ago
7

Throughout his career Newton had conflict with _____.

Chemistry
1 answer:
kkurt [141]3 years ago
3 0
John dalton

Brainiest plzzz :))
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Which list of elements from Group 2 on the Periodic Table is arranged in order of increasing atomic radius?
IgorC [24]
The correct answer is option 1. Be, Mg, and Ca is the correct order arranged in increasing atomic radius. This is predicted based on the periodic table. The atomic sizes increases as one moves downwards in the periodic table.
4 0
3 years ago
This is my chemistry worksheet. It's a new topic my teacher will barely review with us. Help please???
TEA [102]
So to balance an equation, you need to get the same amount of each type of element on either side of the --> . So you pretty much are given the subscripts in the equations and you need to add coefficients (just normal numbers) in front of any formula that needs it, keeping anything balance.
KCl_{3}  + O_{2}  -\ \textgreater \  KCl_{3}
turns into
2KCl_{3}+ 3O_{2} -> 2KCl_{3}

These coefficient numbers are the molar ratios, so 2 moles of KCl3 for every 3 moles of O2   so 1. 3:2

Then you can use these ratios of find out how many moles of one thing are needed if you are given the amount of another.
\frac{moles of element 1}{cofficient 1}  =  \frac{moles of element 2}{cofficient 2}
and use cross multiplication to solve for whatever you don't know


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6 0
3 years ago
Which of the following best describes a metal? Brittle, shiny, and solid Brittle, dull, and low density Malleable, shiny, and ab
yanalaym [24]

Answer : The correct option is, Malleable, shiny, and able to conduct heat or electricity.

Explanation:

Metals : Metals are the elements which can easily loose electrons and forms cations.

Properties of metals :

  • They are lustrous (shine).
  • They are malleable and ductile (flexible).
  • They conduct heat and electricity.
  • The metallic oxides are basic in nature.
  • They form cations in an aqueous solution.

Non-metals : Non-metals are the elements which can easily gain electrons and form an anion.

Properties of non-metals :

  • They are non-lustrous.
  • They are brittle and hard in nature.
  • They do not conduct heat and electricity.
  • The non-metallic oxides are acidic in nature.
  • They form anions in an aqueous solution.

Hence, from the given options the correct option for metal is, Malleable, shiny, and able to conduct heat or electricity.

8 0
3 years ago
Read 2 more answers
How many grams of h20 are produced if 75g of CO2 are produced. (Work Shown with the answer would be preferred.)
Agata [3.3K]
2:7 ratio of ethane to O2 = 15:x 9solve for x)
x=52.5 mol O2
5 0
3 years ago
I will mark brainlist if correct !! :) PLS HELPPP
Soloha48 [4]
<h2>Answer: Option B</h2>

Option A is incorrect. <u>Heated water cannot freeze.</u>

Option B is correct. <u>Heated water will evaporate.</u>

Option C is incorrect. <u>Heated water cannot create condensation.</u>

Option D is incorrect. <u>Water can't melt when heated unless it's been frozen beforehand. </u>

<u />

6 0
3 years ago
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