The building blocks of DNA are like alphabet letters, because they: А: Are each associated with a particular sound B: Can be used in a variety of languages C: Each have an uppercase and a lowercase form D: Spell out different instructions depending on their order Help please
Solution 1
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Light-fur mice survive less often on dark rocks, compared to dark- figure mice because light - mice are easily seen by predators, while dark - figure are not easily seen by predators.
What is predator ?
Any species that preys on other animals and survives by killing and devouring them. Predators such as wolves and bears. Rabbit population is regulated by large carnivores.
Predators are living things that go for and kill prey. The term "prey" refers to the living things that predators eat. Both carnivores and omnivores may be predators. Predators including lions, tigers, sharks, and snakes.
Thus, Light-fur mice survive less often on dark rocks, compared to dark- figure mice because light - mice are easily seen by predators, while dark - figure are not easily seen by predators.
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Answer:
Light fur mice can be easily spotted by predators among the dark rocks
17.3 moles of NH₃ were produced.
The reaction above talks about the production of ammonia NH₃
To solve this question, we'll begin by writing the balanced equation for the reaction between H₂ and N₂. This is illustrated below:
3H₂ + N₂ —> 2NH₃
From the balanced equation above,
3 moles of H₂ reacted to produce 2 moles of NH₃.
Therefore, 26 moles of H₂ will react to produce = (26 × 2)/3 = 17.3 moles of NH₃.
Thus, 17.3 moles of NH₃ were obtained from the reaction.
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Answer:
Ammonia can be prepared using Haber process based on the following equation:
3H2 + N2 <.........> 2NH3Explanation:
Answer:
Some places have more earthquakes than others because they sit on the edges of tectonic plates.
Answer:
H - Hydrogen
He - Helium
Li - Lithium
Be - Beryllium
B - Boron
C - Carbon
N - Nitrogen
O - Oxygen
F - Fluorine
Ne - Neon
Na - Sodium
Mg - Magnesium
Al - Aluminum
Si - Silicon
P - Phosphorus
S - Sulfur
Cl - Chlorine
Ar - Argon
K - Potassium
Ca - Calcium
Explanation:
Answer:1 Hydrogen H
2 Helium He
3 Lithium Li
4 Beryllium Be
5 Boron B
6 Carbon C
7 Nitrogen N
8 Oxygen O
9 Fluorine F
10 Neon Ne
11 Sodium Na
12 Magnesium Mg
13 Aluminum Al
14 Silicon Si
15 Phosphorus P
16 Sulfur S
17 Chlorine Cl
18 Argon Ar
19 Potassium K
20 Calcium Ca
Explanation:
If we count two atoms every seconds, then the time taken to count one mole of atoms that is 6.02×10²³ atoms is 3.0×10²³ seconds. If we continually count the atoms it will take the time which is longer that the age of earth.
What is one mole of atoms?
Any substance that contains 6.02×10²³ atoms is called its one mole. this number that is, one mole of an atom is called the Avogadro number.
The time for counting two atoms is one second then the time to count 6.02×10²³ atoms is 6.02×10²³ /2 = 3.0×10²³ seconds.
One year have about 31556926 seconds. 3.0×10²³ seconds comprises 3.0×10²³ /31556926 = 9.53×10¹⁵ years. Age of earth is 4.5 × 10⁹ years.
Therefore, it will take longer time to count one mole of atoms than the age of earth.
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Answer:
It would take 9.54 x 10^15 years to count 1 mole of atoms which is 10^6 times the age of Earth.
Explanation:
Answer:
In thermodynamics, the triple point of a substance is the temperature and pressure at which the three phases of that substance coexist in thermodynamic equilibrium. It is that temperatureand pressure at which the sublimation curve, fusion curve and vaporisation curve meet.
Answer:
At the triple point, all three phases (solid, liquid, and gas) are in equilibrium. Since the triple point is a point, there is only one temperature and one pressure where the three phases will exist. This fact often helps in identifying compounds or in problem solving.
Answer:
Particulate
Explanation:
Ash, dust, pollen, and tiny bits of salt from water are all examples of particulate