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2 years ago

Predetermined spots where everyone leaving the building should meet during a fire or fire drill are called _ ?

Chemistry

1 answer:

katen-ka-za [31]2 years ago

3 0

Answer:

Assembly points.

Explanation:

Predetermined spots where everyone leaving the building should meet during a fire or fire drill are called assembly points.

This ultimately implies that, an assembly point is a designated safe location or area where different people are instructed to stay while being evacuated from a dangerous area such as during fire, gas explosion, flood or other emergency situations.

Simply stated, an assembly point is mainly a place of safety and succor for victims of a disaster, in the event of an evacuation.

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Draw a mechanism for the reaction of methylamine with propanoic acid. In the box to the left, draw any necessary curved arrows.

miv72 [106K]

Answer:

Explanation:

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2 years ago

The enthalpy of fusion of solid n-butane is 4.66 kJ/mol. Calculate the energy required to melt 58.3 g of solid n-butane.

adelina 88 [10]

Answer : The energy required to melt 58.3 g of solid n-butane is, 4.66 kJ

Explanation :

First we have to calculate the moles of n-butane.

$\text{Moles of n-butane}=\frac{\text{Mass of n-butane}}{\text{Molar mass of n-butane}}$

Given:

Molar mass of n-butane = 58.12 g/mole

Mass of n-butane = 58.3 g

Now put all the given values in the above expression, we get:

$\text{Moles of n-butane}=\frac{58.3g}{58.12g/mol}=1.00mol$

Now we have to calculate the energy required.

$Q=\frac{\Delta H}{n}$

where,

Q = energy required

$\Delta H$ = enthalpy of fusion of solid n-butane = 4.66 kJ/mol

n = moles = 1.00 mol

Now put all the given values in the above expression, we get:

$Q=\frac{4.66kJ/mol}{1.00mol}=4.66kJ$

Thus, the energy required to melt 58.3 g of solid n-butane is, 4.66 kJ

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2 years ago

Which sentence uses the positive form of an adverb?

kenny6666 [7]

The answer is A. Mom carefully bandaged my finger.

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3 years ago

Covalent compounds do not conduct electric current in a water solution well because they _____.

siniylev [52]

Covalent compounds do not conduct electric current in a water solution well because they do not dissociate into ions.

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3 years ago

Read 2 more answers

For the Bradford assay, the instructor will make a Bradford reagent dye by mixing 50 ml of 95% v/v ethanol with 100 mg of Coomas

Flauer [41]

Answer:

4.25% is the final concentration of phosphoric acid.

Explanation:

Initial concentration of phosphoric acid = $C_1=85\%=0.85$

Initial volume of phosphoric acid = $V_1=50 mL$

Final concentration of phosphoric acid = $C_2=?$

Final volume of phosphoric acid = $V_2=1 L=1000 mL$

( 1L = 1000 mL)

$C_1V_1=C_2V_2$

$C_2=\frac{C_1times V_1}{V_2}$

$=\frac{0.85\times 50 mL}{1000 mL}=0.0425=4.25%$

4.25% is the final concentration of phosphoric acid.

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2 years ago

Predetermined spots where everyone leaving the building should meet during a fire or fire drill are called ______ _______ ?

Predetermined spots where everyone leaving the building should meet during a fire or fire drill are called _ ?