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iragen [17]
3 years ago
15

Which of the following is NOT a physical property of matter?

Chemistry
1 answer:
BaLLatris [955]3 years ago
4 0
Intensive properties<span>, such as density and color, do </span>not<span>depend on the amount of the substance present.</span>
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What is the Gibbs free energy?
Dimas [21]
It's a thermodynamic quantity equal to the enthalpy minus the product of entropy and the absolute temperature
7 0
3 years ago
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8. Based on the formula, predict whether each of the following compounds is primarily ionic or primarily covalent. a. sodium iod
Lina20 [59]

primarily ionic  include = sodium iodide( NaI) ,   calcium chloride  ( CaCl2)


primarily covalent    include  - Ammonia (NH3) , Methane ( CH4)  and  

                                                   Glucose  (C6H12O6)


Explanation

ionic  bond  is formed  when  there is complete transfer of electron between atoms. It occur  between metal  which  donate electrons and  a  non  metal which accept  electrons.

 for  example  in  formation  of CaCl2,   ca  donate  2 electron to 2  Cl atom, while  2 Cl atom accept the 2  electrons  to form ionic bond.

 Covalent bond  is formed  when two or  more  non  metal  form bond by sharing  electrons pairs.

For  example in NH3   3 pairs of electron are shared.  to form covalent bond.

                               

8 0
3 years ago
Thr kind of energy that electromagnetic waves carry is call --------------------- energy?
hammer [34]
Electromagnetic radiation

6 0
3 years ago
Explain the greenhouse effect in terms of wavelengths of radiation
mixer [17]

Answer:

The greenhouse effect is a phenomenon that occurs when the incoming Solar radiation, which is partially absorbed and partially reflected from the Earth's surface, is then absorbed and re-emitted by the molecules of gas in the atmosphere, causing an increase in the Earth's temperature.

More specifically, the phenomenon occurs as follows:

- The Sun emits electromagnetic radiation in the entire spectrum - therefore, all wavelengths. However, the peak of its radiation is in the visible part of the spectrum, specifically around the yellow color (around 500-600 nm)

- The radiation from the Sun reaches the Earth and passes through the atmosphere, reaching the Earth's surface

- Part of this radiation is absorbed by the surface, while part is re-emitted. However, the radiation is re-emitted at a longer wavelength, in the infrared part of the spectrum (700 - 1000 nm)

- As a result, when this infrared radiation reaches the atmosphere, it is absorbed by the molecules of some gases, which therefore absorbs this radiation and re-emit is in every direction (also towards the surface)

As a result of this radiation emitted by these gases, the Earth's temperature increases.

3 0
3 years ago
How many moles of H2O are produced from 6.23g of C2H6 in the following reaction? 2C2H6+7O2 -&gt; 4CO2+6H2O
sweet-ann [11.9K]

C2H6 (g) + O2 (g). --> CO2(g)+H2O (g)

2C2H6 (g) + 7O2 (g). --> 4CO2(g)+6H2O (g)

(8.45 x 10^23)/(6.022x10^23) = 1.403 moles H2O

1.403 moles H2O x (4molCO2/6molH2O)= .935 moles CO2

.935 moles CO2 x (6.022 x10^23)= 5.63 x 10^23 molecules CO2

8 0
2 years ago
Read 2 more answers
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