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lora16 [44]
3 years ago
12

Which type of graph would best represent data from this experiment: What percentage of students at Lincoln Center Elementary lik

e red, blue, green or yellow best? Question 3 options: A. Circle graph B. Bar graph C. Line graph
Chemistry
2 answers:
Cerrena [4.2K]3 years ago
5 0
I agree with the person above. bar graph is the correct answer
oksian1 [2.3K]3 years ago
3 0

Answer:

The answer is bar graph

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what is the primary function of the cells that make up the majority of cells in the muscular system ​
ANTONII [103]

Answer:

The muscular system is composed of specialized cells called muscle fibers. Their predominant function is contractibility. Muscles, attached to bones or internal organs and blood vessels, are responsible for movement. Nearly all movement in the body is the result of muscle contraction.

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Nataliya [291]

The daughter isotope  : Radon-222 (Rn-222).

<h3>Further explanation</h3>

Given

Radium (Ra-226) undergoes an  alpha decay

Required

The daughter nuclide

Solution

Radioactivity is the process of unstable isotopes to stable isotopes by decay, by emitting certain particles,  

  • alpha α particles ₂He⁴
  • beta β ₋₁e⁰ particles
  • gamma particles ₀γ⁰
  • positron particles ₁e⁰
  • neutron ₀n¹

The decay reaction uses the principle: the sum of the atomic number and mass number before and after decay are the same

Radium (Ra-226) : ₈₈²²⁶Ra

Alpha particles : ₂⁴He

So Radon-226 emits alpha α particles ₂He⁴  , so the atomic number decreases by 2, mass number decreases by 4

The reaction :

₈₈²²⁶Ra ⇒ ₂⁴He + ₈₆²²²Rn

4 0
3 years ago
Guys help me, please
Pepsi [2]

Answer:

radiation, conduction, convection, conduction

5 0
3 years ago
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How many grams of water are produced from reacting 25 grams of oxygen gas with hydrogen gas to produce water?
Serhud [2]

Answer:

take these as notes ig:)

Explanation:

reaction equations to make connections between the reactants and products in reactions. ... pathway: mol of O2 → mol of H2O → grams of H2O. 3.5 mol ... 25 g KClO3 ... How many grams of hydrogen gas are produced from the reaction of 221.

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3 years ago
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Irina18 [472]

Answer:

The answer is C

Explanation:

3 0
3 years ago
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