Here is the three observation about copper.
<h3>What is copper?</h3>
copper (Cu), chemical element, a reddish, extremely ductile metal of the Group 11 (Ib) of the periodic table that is an unusually by its good conductor of to the electricity and heat. Copper of to the found in the free metallic state in nature. This is native copper was first by the used .
The reaction between to the copper carbonate and it is sulphuric acid will be a great neutralization reaction. Copper carbonate will acts like as a base, however, sulphuric acid is an acid. This reaction can also be the viewed as a double line displacement reaction too. By it's understand the nature of this reaction and what will be the final to product of this reaction.
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Answer:
Sunlight
Explanation:
Sunlight is always neccesary in photosynthesis
The ideal gas law is the generalized gas equation that depicts the state of the hypothetical gas condition. Moles of oxygen take in is 2.42 mol.
<h3>What is the Ideal gas equation?</h3>
The ideal gas equation gives the equation about the product of the pressure and the volume to be equal to that of the product of moles, temperature and the gas constant of the gas.
The formula for the ideal gas equation is:
Where,
- Pressure (P) = 1000 kPa
- Volume (V) = 6.0 L
- Ideal gas constant (R) =
- Temperature (T) = 298 K
- Number of moles = n
Substituting values in the equation:
Therefore, 2.42 moles of oxygen is taken in during the respiration process.
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Answer:
1.53x10^22 atoms of Au
Explanation:
To find the atoms of gold we need first, to convert the mass of gold to moles using molar mass of gold (196.97g/mol). Then, these moles must be converted to number of atoms based on definition of moles (1 mole = 6.022x10²³ atoms).
<em>Moles Au:</em>
5.00g Au * (1mol / 196.97g) = 0.0254 moles of Au
<em>Atoms of Au:</em>
0.0254 moles * (6.022x10²³ atoms / 1 mole) =
<h3>1.53x10^22 atoms of Au</h3>