What is migrate? Help me pls

Answers

Answer 1

Answer: means moving from one place to the other

Answer 2

Answer: Hey there

Migrate means moving from habitat to another. Example - I migrated to Canada in 1994. Another example is - when autumn arrives, birds migrate south.

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An average home in Colorado requires 2.00 x 107 KJ of heat per month. How many grams of natural gas (methane) must be burned to supply this energy?CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) ΔH°rxn= –890.4 kJ/mol

Answers

Answer:

3.6*105g CH4

Explanation:

The detailed solution is shown on the image. From the detailed chemical reaction, we calculate the mass of methane required in the standard combustion reaction of methane and use it to estimate the mass required to produce the quantity of heat required in the question.

Final answer:

To supply the energy needed for an average home in Colorado, approximately 3.58 x 10^8 grams of natural gas (methane) must be burned.

Explanation:

To calculate the amount of natural gas (methane) required to supply the energy needed for an average home in Colorado, we can use the balanced chemical equation for the combustion of methane:

CH4(g) + 2O2(g) → CO2(g) + 2H2O(l)

The molar enthalpy change for this reaction (ΔH°rxn) is -890.4 kJ/mol. First, we need to convert the energy requirement from kilojoules to joules:

2.00 x 107 kJ = 2.00 x 1010 J

Next, we can use the molar enthalpy change to calculate the number of moles of methane required:

moles of CH4 = energy requirement / mlar enthalpy change

moles of CH4 = 2.00 x 1010 J / (-890.4 kJ/mol)

Finally, we can convert the number of moles of methane to grams using the molar mass of methane:

molar mass of CH4 = 12.01 g/mol + 4(1.008 g/mol) = 16.04 g/mol

grams of CH4 = moles of CH4 * molar mass of CH4

Therefore, the number of grams of natural gas (methane) that must be burned to supply this energy is approximately:

grams of CH4 = (2.00 x 1010 J / (-890.4 kJ/mol)) * 16.04 g/mol

Simplifying the calculation:

grams of CH4 ≈ 3.58 x 108 g

Learn more about Amount of natural gas required here:

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What is an oxpecker bird eats insects off the back of a rhinoceros

Answers

Actually when the oxpecker bird eats insects off the back of the rhinoceros. They are helping each other. The bird gets a nutritious snack while the rhinoceros gets those pesty and annoying bugs off of him. This is also called a Symbiotic relationship. When both organisms of different species work together to benefit the other.
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Is there a relationship between an elements atomic number and its first ionization energy (IE)?

Answers

yes, well kind of, as you travel across the a period the first ionization energy increases). as you travel down a column the ionization energy decreases.

What is the mass of 4.23×10^23 atoms of iron

Answers

First divide atoms by Avogadro's number:
(4.32x10^23)/(6.02x10^23) = .703mol Fe

Then multiply moles by its molar mass:
(0.703mol Fe)(55.85g/mol Fe) = 39.24g Fe

Rank the four gases (air, exhaled air, gas produced from from decomposition of H2O2, gas from decomposition of NaHCO3) in order of increasing concentration of oxygen).

Answers

The concentration in this case will be expressed as mole oxygen per mole compound or mixture. In air, there are 42 moles of oxygen per 100 moles air. In exhaled air, there are 32 moles Oxygen per 100 moles ex. air. The decomposition of h2o2 results to 2 moles h2O and 1 mole oxygen. Hence there are 4 mole oxygen per 7 moles product.The decomposition of NaHCO3 results ot Na2CO3, Co2 and H20. there are 6 moles pxygen per 12 moles atoms. The ranking (increasing to decreasing) is decomposition of H2O2, decomposition of NaHCO3, air, and exhaled air.

Mintu wants to increase the heat transfer between a metal iron and another piece of metal he wants to shape. He decides to increase the time the two metals are in contact, use a larger metal iron, and use a new metal material with a higher specific heat. Where is Mintu's error?A:Mintu should have decreased the size of the metal iron
B:Mintu should have decreased the time he touches the two metals
C:Mintu should have chosen a material with a lower specific heat
D:Mintu should have chosen a material the same temperature as the iron.

Answers

Answer: Option (C) is the correct answer.

Explanation:

The amount of heat necessary to raise the temperature of 1 gram of a substance by $1^(o)C$ is known as specific heat of a substance.

Mathematically, q = $mC \Delta T$

where, q = Heat energy

C = specific heat

$\Delta T$ = change in temperature

Hence, smaller is the amount of heat required by a substance to raise the temperature of its 1 g by $1^(o)C$ more readily it will get hot.

Therefore, out of the given options specific heat of copper is small. So, copper will heat up quickly.

Thus, we can conclude that Mintu's error is that Mintu should have chosen a material with a lower specific heat.

Answer:

C - Mintu should have chosen a material with a lower specific heat.

Explanation:

0n edge 2020

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