What would happen if a decomposers were absent from the forest ecosystem?
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Related Questions
What volume of silver metal will weigh exactly 10 kg. The density of silver is 10.5g/cm^3
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Which equation represents a single replacement reaction? Thanks!
Which of the following is a major consequence of the shifting of the Intertropical Convergence Zone (ITCZ)? A. monsoon rains in South Asia B. few winds in the horse latitudes C. jet streams over the North Atlantic D. lush vegetation in the Amazonian rainforest
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2 to 5 nm
5 × 10−21 m to 2 × 10−20 m
2 to 5 cm
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The atomic radii is approximately between 5 × 10−11 m to 2 × 10−10 m
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Answer:
a. p-o²nc⁶h⁴ch(oh)ch
Explanation:
Final answer:
The alcohol that is dehydrated most easily with conc. H₂SO₄ is p-C1C₆H₄CH(OH)CH₃.
Explanation:
The alcohol that is dehydrated most easily with conc. H²SO⁴ is p-C1C⁶H⁴CH(OH)CH³. This alcohol is tertiary, meaning it has three alkyl groups attached to the carbon atom containing the hydroxyl group. Tertiary alcohols are more easily dehydrated compared to primary and secondary alcohols because the carbon atom attached to the hydroxyl group is more stable due to the presence of the alkyl groups.
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Answer: Option (3) is the correct answer.
Explanation:
Gram formula mass or molar mass is the sum of mass of all the individual atoms present in the compound or formula.
For example, gram formula mass of is calculated as follows.
= g/mol
= (14.00 + 4.00 + 35.45) g/mol
= 53.45 g/mol
= 53.5 g/mol (approx)
Thus, we can conclude that the gram formula mass of is 53.5 g/mol (approx)
The gram formula mass of NH₄Cl is 53.5 g/mol (3rd option)
How to determine the gram formula mass?
The gram formula mass of a compound is simply the molar mass of the compound.
The gram formula mass of NH₄Cl can be obtained as illustrated below:
- Molar mass of N = 14 g/mol
- Molar mass of H = 1 g/mol
- Molar mass of Cl = 35.5 g/mol
- Gram formula mass of NH₄Cl = ?
Gram formula mass of NH₄Cl= 14 + (4 × 1) + 35.5
= 14 + 4 + 35.5
= 53.5 g/mol
Thus, we can conclude that the gram formula mass of NH₄Cl is 53.5 g/mol (3rd option)
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Answer:
The factor by which the average kinetic energy of the oxygen molecules in the cylinder decreases is '0.5'.
Explanation:
Average kinetic energy is defined as the average of the kinetic energies of all the particles present in a system. It is determined by the equation:
where,
K = Average kinetic energy
R = Gas constant
T = Temperature of the system
= Avogadro's number
Average kinetic energy of oxygen gas molecule at 300 K.
..[1]
Average kinetic energy of oxygen gas molecule at 150 K.
..[2]
[1] ÷ [2]
The factor by which the average kinetic energy of the oxygen molecules in the cylinder decreases is '0.5'.
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Answer:
The answer to your question is m = 52.22 g
Explanation:
Data
mass of Cu = ?
Energy = 2653.8 J
temperature 1 = 155°C
temperature 2 = 23°C
Specific heat = 0.385 J/g°C
To calculate the mass of Copper, use the formula of specific heat and solve it for mass.
Formula
Q = mC(Temperature 2 - Temperature 1)
Solve for m
m = Q / C (Temperature 2 - Temperature 1)
Substitution
m = 2653.8 / 0.385(23 - 155)
Simplification
m = 2653.8 / 0.385(132)
m = 2653.8 / 50.82
Result
m = 52.22 g
Answer:
The mass of the copper is 53.22 grams
Explanation:
Step 1: Data given
Energy = 2653.8 J
Initial temperature = 155 °C
Final temperature = 23°C
Specific heat of copper = 0.385 J/ g°C
Step 2: Calculate mass of copper
Q = m*c*ΔT
⇒ with Q = the energy = 2653.8 J
⇒ with m = the mass of copper = TO BE DETERMINED
⇒ with c= The specific heat of copper = 0.385 J/g°C
⇒ΔT = The difference in temperature = T2 - T1 = 23 - 155 = -132°C
2653.8 J = m * 0.385 J/g°C * 132 °C
m = 2653.8 / (0.385*132)
mass of copper = 52.22 grams
The mass of the copper is 53.22 grams