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algol [13]
4 years ago
6

Truebor false is a substance is made of equal parts,the substance is knowns as complex substance

Chemistry
1 answer:
Alex4 years ago
6 0
False i think im not sure
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It is 4 because if you think about it it makes more sense
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Calculate the energy a wave having a wavelength of 8.921 x 10^-8 cm.<br> HURRY PLZ
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Question 3 help me asap please
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Its chemical formula H2O, indicates that each of its molecules contains one oxygen and two hydrogen atoms, connected by covalent bonds. The hydrogen atoms are attached to the oxygen atom at an angle of 104.45°. "Water" is the name of the liquid state of H2O at standard conditions for temperature and pressure.

5 0
3 years ago
4 moles of monoatomic ideal gas is compressed adiabatically causing the temperature to increase from 300 K to 400 K. Calculate t
yawa3891 [41]

Answer:

the work done on the gas is 4,988.7 J.

Explanation:

Given;

number of moles of the monoatomic gas, n = 4 moles

initial temperature of the gas, T₁ = 300 K

final temperature of the gas, T₂ = 400 K

The work done on the gas is calculated as;

W = \Delta U = nC_v(T_2 -T_1)

For monoatomic ideal gas: C_v = \frac{3}{2} R

W = \frac{3}{2} R \times n(T_2-T_1)

Where;

R is ideal gas constant = 8.3145 J/K.mol

W = \frac{3}{2} R \times n(T_2-T_1) \\\\W = \frac{3}{2} (8.3145) \times 4(400-300) \\\\W =  \frac{3}{2} (8.3145) \times 4(100)\\\\W = 4,988.7 \ J

Therefore, the work done on the gas is 4,988.7 J.

4 0
3 years ago
76.0 mol of P4O10 contains how many moles of P?
NikAS [45]
For a mole of P4O10, there are 4 moles of P. Hence for 76 moles of P4O10, the number of P moles is a total of 304. 
8 0
3 years ago
Read 2 more answers
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