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Elina [12.6K]
4 years ago
6

Convert each of the following lengths to the units requested.

Chemistry
1 answer:
d1i1m1o1n [39]4 years ago
4 0

Answer:The Battle of Bunker Hill in was considered a victory for the Continental army because

the Americans maintained their control of Bunker Hill.

the British army sustained heavy casualties.

the Americans forced British soldiers to retreat to Boston.

the British army was forced to use most of its ammunition.

Explanation:The Battle of Bunker Hill in 1775 was considered a victory for the Continental army because

the Americans maintained their control of Bunker Hill.

the British army sustained heavy casualties.

the Americans forced British soldiers to retreat to Boston.

the British army was forced to use most of its ammunition.The Battle of Bunker Hill in 1775 was considered a victory for the Continental army because

the Americans maintained their control of Bunker Hill.

the British army sustained heavy casualties.

the Americans forced British soldiers to retreat to Boston.

the British army was forced to use most of its ammunition.The Battle of Bunker Hill in 1775 was considered a victory for the Continental army because

the Americans maintained their control of Bunker Hill.

the British army sustained heavy casualties.

the Americans forced British soldiers to retreat to Boston.

the British army was forced to use most of its ammunition.The Battle of Bunker Hill in 1775 was considered a victory for the Continental army because

the Americans maintained their control of Bunker Hill.

the British army sustained heavy casualties.

the Americans forced British soldiers to retreat to Boston.

the British army was forced to use most of its ammunition.The Battle of Bunker Hill in 1775 was considered a victory for the Continental army because

the Americans maintained their control of Bunker Hill.

the British army sustained heavy casualties.

the Americans forced British soldiers to retreat to Boston.

the British army was forced to use most of its ammunition.

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Which has a triangular fiber? <br> Wool <br> Silk <br> Cotton <br> Nylon
julsineya [31]
The answer for this question is
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In a clinical trial of a cholesterol​ drug, 314314 subjects were given a​ placebo, and 1212​% of them developed headaches. For s
iragen [17]

Answer:

The values of n, p and q are 314, 0.12 and 0.88 respectively.

Explanation:

n is the number of subjects given a placebo. The value of n is 314.

p is the sample proportion of the subjects given a placebo that developed headaches. The value of is 12% = 0.12

q is the sample proportion of the subjects given a placebo that did not develop headaches. The value of q = 1 - p = 1 - 0.12 = 0.88

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3 years ago
A wittig reaction occurs when 4-methylbenzaldehyde and benzyltriphenylphosphonium chloride are stirred together at room temperat
GarryVolchara [31]

Answer:

See explanation

Explanation:

The wittig reaction is an organic reaction in which an aldehyde or a ketone reacts with a phosphonium ylide to give an alkene. This phoshonium ylide that participates in the reaction is usually generated insitu in the system by reaction of an alky or aryl triphenylphosphonium halide salt with a base(sodium hydroxide is mostly used).

In this particular reaction 4-methylbenzaldehyde and benzyltriphenylphosphonium chloride were reacted together in the presence of sodium hydroxide and the product with the structure shown in the answer was obtained as the major isomer produced in the reaction.

3 0
4 years ago
Calculate the concentration of hydroxide ions (OH-) in a solution with a pOH of 2.52?
vodomira [7]

Answer:

The concentration of hydroxide ions is 3.02*10⁻³ M

Explanation:

The pOH (or OH potential) is a measure of the basicity or alkalinity of a contamination and is defined as the negative logarithm of the activity of the hydroxide ions. That is, the concentration of OH- ions:

pOH= -log [OH-]

The pOH has a value between 0 and 14 in aqueous solution, the solutions with pOH being greater than 7 being acidic, and those with pOH less than 7 being basic.

If pOH= 2.52 then

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<u><em>The concentration of hydroxide ions is 3.02*10⁻³ M</em></u>

<u><em></em></u>

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4 years ago
The thermite reaction, in which powdered aluminum reacts with iron oxide, is highly exothermic: 2Al(s) + F e2O3 (s)→A l2O 3 (s) 
bija089 [108]
For this problem, we use the Hess' Law.

ΔHrxn = ∑(ν*Hf of products) - ∑(ν*Hf of reactants)

The ν represents the corresponding stoichiometric coefficients of the substances, while Hf is the heat of formation. For pure elements, Hf = 0.

Hf of Al₂O₃ = <span>−1676.4 kJ/mol
</span>Hf of Fe₂O₃ = <span>-826.0 kJ/mol

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<em>ΔHrxn = -2502.4 kJ/mol</em>
4 0
3 years ago
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