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kati45 [8]
2 years ago
9

What impact does bleached coral have on the ecosystem in which it lives?

Chemistry
1 answer:
Aloiza [94]2 years ago
8 0

Answer:

Bleached corals are likely to have reduced growth rates, decreased reproductive capacity, increased susceptibility to diseases and elevated mortality rates. Changes in coral community composition can occur when more susceptible species are killed by bleaching events.

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If you have 85.0 grams of CO₂, calculate how many moles of CO₂ would you have?
dedylja [7]
N=m(g)/m.wt
n=85/12(1)+16(2) =1.93 moles
4 0
2 years ago
Read 2 more answers
As temperature increases, the amount of solute that a solvent can dissolve increases. True False
ra1l [238]

<span>As temperature increases, the amount of solute that a solvent can dissolve increases.</span>



<span>Answer: False
</span>

6 0
2 years ago
What is the daughter nuclide when 0-15 experiences positron emission?
Helen [10]

The daughter isotope (a decay product)of O-15 = N-15(Nitrogen 15)

<h3>Further explanation </h3>

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 γ
  • positron particles ₁e⁰

O-15 emits positron particles ₁e⁰, so the atomic number decreases by 1, the mass number is the same

Reaction

 \tt _8^{15}O\Rightarrow _7^{15}N+_1^0e

The mass number of the daughter isotope = 15, atomic number = 7

If we look at the periodic system, the element with atomic number 7 is Nitrogen (N)

5 0
2 years ago
How many significant figures are in 4.8cm?
kramer

Answer: 2. they are 4 and 8

Explanation: I took the exam. I hope I helped :)

4 0
2 years ago
If a pork roast must absorb
Black_prince [1.1K]
Let us  assume propane was the fuel
C3H8(g) + 5O2(g) ---> 3CO2(g) + 4H2O(g) = 2217kJ
1 mole ofpropane produces 3 moles of CO2 
heat absorbed by pork = 0.11 x 2217
                                     = 243.87 kJ/mol
number of moles of propane = 1700kJ / 243.87 kJ/mol
                                              = 6.971 moles
1 mole of C3H8 = 3 moles ofCO2
6.971 moles of C3H8 = ?
3 x 6.971 = 20.913 moles of CO2
Convert to grams
mass = MW x mole
          = 44 x 20.913
          = 920.172g of CO2 emitted 
7 0
3 years ago
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