Answer:
N2 = 588.95 mm Hg
O2 = 158.36 mm Hg
Ar = 6.787 mm Hg
Explanation:
Their percentage represents their mole fraction.
N2= 78.1% = 0.781
O2 = 21.0% = 0.21
Ar = 0.9% = 0.009
Barometric pressure is 754.1 mm Hg
Partial pressure for each will be,
For N2 = 0.781 x 754.1 = 588.95 mm Hg
For O2 = 0.21 x 754.1 = 158.36 mm Hg
For Ar = 0.009 x 754.1 = 6.787 mm Hg
The answer is alkene.
An alkane is a saturated hydrocarbon, thi is it has only single bonds.
Alkenes and alkynes are unsaturated: alkenes have double bonds and alkynes have triple bonds.
Subsituted hydrocarbon, is a hydrocarbon with one hydrogen substituted by another element or a group.
For example:
CH3 - CH - CH3
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F
Answer:
The amount of mass and matter in all the transformations of the clay ball will remain the same or constant
Explanation:
From the law of conservation of mass we have, for an enclosed system to and from which there is no transfer of matter or energy, mass cannot be created nor destroyed, and remains constant at the given value, but the matter which make up the mass can be changed into different forms
Therefore, the clay ball can be transformed into different shapes and will still posses the same initial mass before the transformation, provided there are no transfer of matter or energy from the clay ball system.
1AlBr3+ 3K ---> 3KBr + 1Al
Answer:
Zinc oxide is the antimicrobial in the medicated foot powder.
Explanation:
Zinc oxide (ZnO) is used to treat several skin conditions such as acne, dermatitis, eczema, etc because it has antibacterial and antifungal properties. This property of the ZnO depends on its size i.e., the smaller the size of ZnO, the stronger antimicrobial activity it has. So, the ZnO nanoparticles are more efficient.
The zinc oxide interacts with the sulfur atoms in microbial proteins and denatures them and destroys their function. This action completely inhibits microbial growth. The treatment with zinc oxide causes the reduced production of conidia in fungi, damages their hyphae and inhibits their ability to produce mycotoxins.
The compounds containing zinc such as ZnSO4, Zn(ClO4)2, etc also have antifungal and antimycotoxin properties that can cause changes in the fungi cell structure. Also, the free radicals formed on the surface of the ZnO nanoparticles can cause damage to the lipids in the bacterial cell membranes that can lead to the leakage and breakdown of the bacterial cell membranes.