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uysha [10]
3 years ago
12

How to make hydroxyquinoline at home with grapefruit?

Chemistry
1 answer:
melamori03 [73]3 years ago
5 0

Answer:

you just extract the juice from grapefruit rinds and cx3 bactrecs and mix it

Explanation:

sorry if im wrong

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A 25 liter gas cylinder contains 10 mole of carbon dioxide. Calculate the pressure, in atm, of the gas at 325K.
Arada [10]

<u>Answer:</u> The pressure of carbon dioxide gas is 11 atm

<u>Explanation:</u>

To calculate the pressure of gas, we use the equation given by ideal gas equation:

PV = nRT

where,

P = pressure of the gas = ?

V = Volume of gas = 25 L

n = number of moles of gas = 10 mole

R = Gas constant = 0.0821\text{ L atm }mol^{-1}K^{-1}

T = temperature of the gas = 325 K

Putting values in above equation, we get:

P\times 25L=10mol\times 0.0821\text{ L atm }mol^{-1}K^{-1}\times 325K\\\\P=11atm

Hence, the pressure of carbon dioxide gas is 11 atm

4 0
3 years ago
What is spring tides
larisa86 [58]
A spring tide is a tide at the shore just after a new or full moon, when there is the greatest difference between high and low water.
4 0
3 years ago
Read 2 more answers
The molar volume of a certain solid is 142.0 cm3 mol−1 at 1.00 atm and 427.15 k, its melting temperature. the molar volume of th
kotykmax [81]

Answer:

\Delta _{fus}H=3255.3J/mol

\Delta _{fus}S=7.62\frac{J}{mol*K}

Explanation:

Hello,

Clausius Clapeyron equation is suitable in this case, since it allows us to relate the P,T,V behavior along the described melting process and the associated energy change. Such equation is:

\frac{dp}{dT}=\frac{\Delta _{fus}H}{T\Delta _{fus}V}

As both the enthalpy and volume do not change with neither the temperature nor the pressure for melting processes, its integration turns out:

p_2-p_1=\frac{\Delta _{fus}H}{\Delta _{fus}V}ln(\frac{T_2}{T_1} )

Solving for the enthalpy of fusion we obtain:

\Delta _{fus}H=\frac{(p_2-p_1)(V_2-V1)}{ln(\frac{T_2}{T_1})} =\frac{(11.84atm-1.00 atm)(156.6cm^3/mol-142.0cm^3/mol)}{ln(\frac{429.26K}{427.15K} )} \\\\\Delta _{fus}H=32127.3atm*cm^3/mol*\frac{101325Pa}{1atm}*(\frac{1m}{100cm} )^3\\\Delta _{fus}H=3255.3J/mol

Finally the entropy of fusion is given by:

\Delta _{fus}S=\frac{\Delta _{fus}H}{T_1} =\frac{3255.3J/mol}{427.15K}\\ \\\Delta _{fus}S=7.62\frac{J}{mol*K}

Best regards.

5 0
3 years ago
A heparin drip (IV) has been ordered that contains 10,000 units of heparin in 1000ml of D5W (5% dextrose in water). The drip is
cluponka [151]

Answer:

12,000 units of heparin are received by patient in 24 hours.

Explanation:

10,000 units of heparin in 1000ml of D5W.

Units of heparin in 1 mL = \frac{10,000}{1000}=10 units

Rate at heparin drip set at = 50 ml/hour

Units of heparin in 50 ml of solution = 50\teimes 10 units =500 units

500 units of heparin are received by patient in an every hour.So, in 24 hours patient will receive:

500units\times 24 = 12,000 units of heparin

12,000 units of heparin are received by patient in 24 hours.

5 0
3 years ago
How does relative-age dating help scientists learn about fossils and the age of the earth?
Sedaia [141]

Explanation:

Relative dating is used in determining a fossils approximate age comparing it with similar rocks and fossils whose age are known or formation of sedimentary rock . Whereas absolute dating is used in to determining the exact age of fossil by determining radiometric dating to measure the decay of isotopes, either within the fossil or more often the rocks associated to it.

8 0
4 years ago
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