Answers
Answer:
Endangered. The meaning of endangered is when a species declines in number- this might be because they are being eaten by another animal which has a higher popupayion, or perhaps because they are being hunted by humans for their meat or fur. Neither reason might be that their food or habitat has been destroyed b humans to create land for farming or housing. one example of name endangered species is Polar Bears: they like in the Antarctic where there is no land, simply ice. Due to humans causing climate change, the world is warming up and the ice is melting. This means polar bears are dying out because it would be too tiring to swim to find ice. For the same reason, other animals are dying in the Antarctic meaning that Poplar Bears have less to eat (being at the top of the food chain -no animal eats polar bears).
Related Questions
A biochemist studying breakdown of the insecticide DDT finds that it decomposes by a first-order reaction with a half-life of 12.0 yr. How long does it take DDT in a soil sample to decompose from 809 ppbm to 10.0 ppbm (parts per billion by mass)
When a sodium chloride (NaCl) solution is given to some intravenously (as an IV directly into the blood), it is usually a 0.9% NaCl solution. The reason is that a 0.9% NaCl is isotonic to your red blood cells. Use that information to answer the following questions: In the solution above, which molecule is acting as the solute and which molecule is acting as the solvent? If you replaced the 0.9% NaCl solution with pure water instead, would the water be hypertonic, hypotonic, or isotonic to your red blood cells? If you replaced the 0.9% NaCl solution with pure water instead, would the net (overall) movement of water be into the cell, out of the cell, or would there be no net movement of water? If you replaced the 0.9% NaCl solution with pure water instead and waited, what specifically would happen to your red blood cells?
Use the equation editor or "Insert Chemistry - WIRIS editor" to write the balanced molecular chemical equation for the reaction of aqueous 0.13 M lead (II) nitrate, with 0.19 M potassium carbonate. You may need to consult Appendix E to determine the states of each reactant and product. Assume any insoluble products are completely insoluble.
How many sp2 and sp3 are in caffeine?
Answers
Answer:
The answer is 85.71 mL
Explanation:
The new volume can be found by using the formula for Boyle's law which is
where
P1 is the initial pressure
P2 is the final pressure
V1 is the initial volume
V2 is the final volume
Since we are finding the new volume
We have
We have the final answer as
85.71 mL
Hope this helps you
Answers
Answer:
¹₀n+ ²³⁸₉₂U → ²³⁹₉₃Np + ⁰₋₁e
Explanation:
Key statement;
The first transuranium element neptunium, NpNp, was prepared by bombarding U−238U−238 with neutrons to form a neptunium atom and a beta particle.
This is the beta particle; ⁰₋₁e
¹₀n+ ²³⁸₉₂U → Np + ⁰₋₁e
The mass number of Np;
1 + 238 = Np + 0
Np = 239
The atomic number of Np;
0 + 92 = Np + (-1)
92 + 1 = Np
Np = 93
The equation is given as;
¹₀n+ ²³⁸₉₂U → ²³⁹₉₃Np + ⁰₋₁e
Answers
Answer:
Explanation:
Although there are no actual solutions to the effects caused by poison ivy, there are still various different treatments that can help alleviate the symptoms. Sodium bicarbonate is a base that will increase pH. An increase in pH will cause the catechol to ionize. A charged substance will be more soluble in water. Soap helps with the solubility of the long alkyl chain. Another very helpful treatment would be to rub alcohol on the affected area, this can remove the urushiol oil from the skin, helping to minimize discomfort
Answers
Answer:
your percent yield Is
Explanation:
1.5384615385
Brainliest plz
Answers
14.85 g of water
Explanation:
Calculate the mass of water produced when 9.56 g of butane reacts with excess oxygen.
Here we have the full oxidation of butane (C₄H₁₀) which produce carbon dioxide and water.
C₄H₁₀ + (13/2) O₂ → 4 CO₂ + 5 H₂O
number of moles = mass / molecular weight
number of moles of butane = 9.56 / 58 = 0.165 moles
Now, taking in account the chemical reaction, we devise the following reasoning:
if 1 mole of butane produces 5 moles of water
then 0.165 moles of butane produces X moles of water
X = (0.165 × 5) / 1 = 0.825 moles of water
mass = number of moles × molecular weight
mass of water = 0.825 × 18 = 14.85 g
Learn more about:
oxidation of hydrocarbons
#learnwithBrainly
Answer:
14.85 g of water
Explanation:
Answers
Answer:
2.57 × 10²⁴ molecules
Explanation:
The number of molecules can be found by using the formula
N = n × L
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have
N = 4.27 × 6.02 × 10²³
We have the final answer as
2.57 × 10²⁴ molecules
Hope this helps you