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luda_lava [24]
3 years ago
9

Bases dissolve _____ and _____. 1. sugars 2. fats 3. oils or 4. proteins

Chemistry
1 answer:
geniusboy [140]3 years ago
6 0

Answer:due to principle "like dissolve like" as base is electronegativty it may dissolve with protein at it's isoelectronic point

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An electron can be added to halogen atom to force a halide ion with
Lilit [14]

An electron can be added to halogen atom to force a halide ion with 8 valence electrons

<h3>What is an atom?</h3>

An atom can be defined as the smallest part of an element which can take part in a chemical reaction.

However whenever, an electron is added to halogen atom to force a halide ion with 8 different valence electrons

So therefore; an electron can be added to halogen atom to force a halide ion with 8 valence electrons

Learn more about halogens:

brainly.com/question/18276987

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4 0
2 years ago
Ca(NO3)2<br> Ca(NO2)2<br> Ca3N2<br><br> Correct names
JulsSmile [24]

Answer:

Ca(NO3)2 is Calcium Nitrate

Ca(NO2)2 is Calcium Nitrite

Ca3N2 is Calcium Nitride

Explanation:

8 0
3 years ago
Read 2 more answers
How many atoms are in 26.8 g Fe
Tatiana [17]

Answer:

2.881x10^23 atoms

Explanation:

From the studies of Avogadro's hypothesis, we discovered that 1mole of any substance contains 6.02x10^23 atoms.

Therefore 1mole of Fe contains 6.02x10^23 atoms.

Molar Mass of Fe = 56g/mol

56g of Fe contains 6.02x10^23 atoms.

Therefore, 26.8g of Fe will contain = (26.8x6.02x10^23) / 56 = 2.881x10^23 atoms

6 0
3 years ago
How does a certain frequency of line occur in the hydrogen spectrum?
blondinia [14]

Answer: Though a hydrogen atom has only one electron, it contains a large number of shells, so when this single electron jumps from one shell to another, a photon is emitted, and the energy difference of the shells causes different wavelengths to be released... hence, mono-electronic hydrogen has many spectral lines.

Explanation: sry its late

4 0
1 year ago
The partial pressure of CH4 is 0.175 atm and that of O2 is 0.250 atm in a mixture of the two gases. What is the mole fraction of
tresset_1 [31]

Answer:

The total number of moles of gas in the mixture is 0.16939.

1.25550 grams of methane gas and 3.18848 grams of oxygen gas.

Explanation:

Total volume of the mixture = V = 10.5 L

Temperature of the mixture = T = 35°C = 308.15K

Pressure of the mixture = P

Total moles of mixture = n =n_1+n_2

Using an ideal gas equation :

PV=nRT

P\times 10.0 L=n\times 0.0821 atm L/mol K\times 308.15 K

P=2.509 n

Partial pressure of the methane= p_1=0.175 atm

Moles of the methane= n_1

Partial pressure of the oxygen gas= p_2=0.250 atm

Moles of the methane= n_2

Mole fraction  of the methane= \chi_1=\frac{n_1}{n_1+n_2}

Mole fraction  of the oxygen gas= \chi_2=\frac{n_2}{n_1+n_2}

p_1=p\times \chi_1  (Dalton's law)

0.175 atm=P\times \frac{n_1}{n_1+n_2}

0.175 atm=(2.509 n)\times \frac{n_1}{n}

n_1=0.06975 mol

Mass of 0.06975 moles of methane gas :

0.06975 mol × 18 g/mol =1.25550 g

p_2=p\times \chi_2  (Dalton's law)

0.250 atm=P\times \frac{n_2}{n_1+n_2}

0.250 atm=(2.509 n)\times \frac{n_2}{n}

n_2=0.09964 mol

Mass of 0.06975 moles of oxygen gas :

0.09964 mol × 32 g/mol =3.18848 g

Total moles of mixture = n =n_1+n_2

[/tex]=0.06975 mol+0.09964 mol=0.16939 mol[/tex]

7 0
3 years ago
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