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3 years ago

Where does the food you eat end up in your body?

Chemistry

1 answer:

VARVARA [1.3K]3 years ago

5 0

The food goes through the digestive system and then ends up in your stomach

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In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. I

Vsevolod [243]

Answer : The final concentration of the seawater is, 2.909 mole/L

Explanation :

Formula used for osmotic pressure :

$\pi=CRT$

where,

$\pi$ = osmotic pressure = 70.0 bar = 70 atm

R = solution constant = 0.0821 Latm/moleK

T= temperature of solution = $20^oC=273+20=293K$

C = final concentration of seawater = ?

Now put all the given values in the above formula, we get the concentration of seawater.

$70atm=C\times 0.0821Latm/moleK\times 293K$

$C=2.909mole/L$

Therefore, the final concentration of the seawater is, 2.909 mole/L

4 0

3 years ago

A voltaic cell that uses the reaction PdCl2−4(aq)+Cd(s)→Pd(s)+4Cl−(aq)+Cd2+(aq) has a measured standard cell potential of +1.03

Ghella [55]

Answer : The balanced two-half reactions will be,

Oxidation half reaction : $Cd(s)\rightarrow Cd^{2+}(aq)+2e^-$

Reduction half reaction : $Pd^{2+}(aq)+2e^-\rightarrow Pd(s)$

Explanation :

Voltaic cell : It is defined as a device which is used for the conversion of the chemical energy produces in a redox reaction into the electrical energy. It is also known as the galvanic cell or electrochemical cell.

In the voltaic cell, the oxidation occurs at an anode which is a negative electrode and the reduction occurs at the cathode which is a positive electrode.

The given redox reaction is:

$PdCl_4^{2-}(aq)+Cd(s)\rightarrow Pd(s)+4Cl^-(aq)+Cd^{2+}(aq)$

The balanced two-half reactions will be,

Oxidation half reaction : $Cd(s)\rightarrow Cd^{2+}(aq)+2e^-$

Reduction half reaction : $Pd^{2+}(aq)+2e^-\rightarrow Pd(s)$

7 0

3 years ago

How many grams of O2 are required to produce 5 mol CO2

maxonik [38]

I did the math i got 220 grams

7 0

3 years ago

Compare the spectra produced by incandescent and fluorescent sources. Why is there a difference?

Inessa [10]

Both have a continuous light spectra the fluorescent source makes a spectra with more intense bands of mercury
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5 0

3 years ago

Read 2 more answers

The empirical formula of a compound is found to be P2O5. Experiments show that the molar mass of the compound is 426g/mol. What

yulyashka [42]

Answer:

Molecular formula = P₄O₁₀

Explanation:

Given data:

Empirical formula of compound = P₂O₅

Molar mass of compound = 426 g/mol

Molecular formula = ?

Solution:

Molecular formula:

Molecular formula = n (empirical formula)

n = molar mass of compound / empirical formula mass

Empirical formula mass= P₂O₅ = 283.89 g/mol

n = 426 g/mol / 283.89 g/mol

n = 2

Molecular formula = n (empirical formula)

Molecular formula = 2 (P₂O₅ )

Molecular formula = P₄O₁₀

5 0

3 years ago

Where does the food you eat end up in your body?​

Where does the food you eat end up in your body?