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ahrayia [7]
3 years ago
14

what do you think caused the changes in the finch population and average beak size during the drought

Chemistry
1 answer:
Free_Kalibri [48]3 years ago
8 0
Would it be lack of water and food?
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If 5.1 l of antifreeze solution (specific gravity = 0.80) is added to 3.8 l of water to make a 8.9 l mixture, what is the specif
Maslowich
Density of the mixture = mass of the mixture / volume of the mixture

Mass of the mixture = mass of antifreeze solution + mass of water.

Mass of antifreeze solution = density of the antifreeze solution * volume

Mass of antifreeze solution = 0.8g/ml * 5.1 l * 1000 ml / l = 4,080 g

Mass of water = density of water * volume of water = 1.0 g/ml * 3.8 l * 1000 ml / l = 3,800 g

Mass of mixture = 4080 g + 3800 g= 7880 g

Volume of mixture = volume of antifreeze solution + volume of water

Volume of mixture = 5100 ml + 3800 ml = 8900 ml

Density of mixture = 7800 g / 8900 ml = 0.876 g/ml

Specific gravity of the mixture = density of the mixture / density of water = 0.876

Answer: 0.876
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3 years ago
Magnesium hydroxide is used as an antacid in milk of magnesia and reacts with hydrogen chlrode in the stomach to form water and
8_murik_8 [283]
Mg(OH)2 +2HCl---> MgCl2+2H2O
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3 years ago
What is the function of a hypothesis in the scientific inquiry process?
LuckyWell [14K]
It's a question that scientists can test.
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3 years ago
Based on the shapes of the water drops in part D, how does the attractive force between water and wax compare to the attractive
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Answer:

Because the cohesive forces inside the droplets are stronger than the adhesive forces between both the drops and the wax, water does not penetrate waxed surfaces. Because the adhesive forces between the liquid and the glass are stronger than the cohesive forces inside the water, water wets glass and spreads out across it.

Explanation:

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