B. has the storms strongest winds is not a characteristic of the eye of a hurricane because in the eye it is actually completely calm.
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Answer:
Percent yield of carbon monoxide is approximately 38%.
Explanation:
Given reaction : C + SiO₂ → Si + CO
On balancing it : 2C + SiO₂ → Si + 2CO
⇒ 2 mole of carbon produces 2 mole of carbon monoxide
or 2×12=24 g of carbon produces 2×(12+16)=56 g of carbon monoxide
⇒ Expected yield of carbon monoxide when 32.5g of carbon is heated with silicon dioxide is 32.5×
⇒ Expected yield = 
= 75.8 g
Actual yield is given as 28.8 g
⇒ The percent yield of carbon monoxide = 
×100
= 
×100
≅<u>38%</u>
Answer:
1. equator
2. west to east
3. equator
4. north to south
5. hemisphears
Explanation:
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The equation to be used to
calculate the heat required to vaporize 1 gram of water at 100 degrees eclsius
and 1 atmosphere is the enthalpy. It is represented as H =
mCpT
where H is the heat released after phase change, m is
the mass of the substance, Cp is the specific heat capacity of the substance
and T
is the change in temperature.
H = mCpT
H = (1g/1000g/kg)(4.184kJ/kg-K)(100
- 20)
H = 0.335 kJ
13 - Periodic table
14 - Dimitri mandeleev
15 - groups
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