Answer: technically it is chemical and physical change
Explanation: chemical bc it’s burning and physical bc it’s going from a log to ashes
Answer:
461.54 kg/h
Explanation:
First lets calculate the mass flow of the dry product:
Md=1000 kg/h*(1-0.58) = 420 kg/h
The mass flow of the moist final product is then:
Mm= 420 kg/h /(1-0.22) = 538.46 kg/h
The water to be evaporated is then the difference between the feed and the product.
W= 1000 kg/h - 538.46 kg/h = 461.54 kg/h
The right answer is A. <span>Each oxygen shares two electrons with each other.
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Answer:
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Answer is (3) - metalloid
Elements in group 14 can be classified as non metals, metalloid and metals. Group 14 has C, Si, Ge, Sn and Pb as its elements. C is a non metal. Si and Ge are metalloids while Sn and Pb are metals.
Metalloids are elements which share both non-metallic and metallic characteristics.
The element in group 14, period 3 on the periodic table is Si. Si is a semiconductor means Si can conduct electricity but not good as metals. Conducting electricity ia one of metallic property.