Best Answer
C) is the best description, although a scientific theory is not necessarily a "fact". They are, however, based on evidence.
A) is complete garbage.
B) is a good description of a scientific "law"- something that predicts how a certain event will occur without explaining why this is (for instance, the law of gravity accurately describes the gravitational forces between two bodies, but does not explain why these forces are there).
D) is a scientific "hypothesis"- an explanation for an observed phenomena that is yet to be proven.
Answer:
A. is alloyed with carbon and chromium to make stainless steel.
Explanation:
Steel is an alloy formed mainly of iron and carbon but some other metals like chromium are also added in little amounts.
Is steel, the percentage of iron and carbon together is about 90% and the rest metals fall in the 10% part.
Although the cost of steel is low, it has a very high tensile strength and that's why it is used in tools, ships, buildings, trains and in various types of infrastructures.
Idk it’s making me answer a question in order to get help on my own
Carbohydrates! hope this helped!
The theoretical yield is calculated as follows
write the equation for reaction
that is 2 Zn + I2 ------> 2 znI
then find the moles of Zn used
moles= mass/molar mass
= 125/ 65.4 = 1.911moles
by use of mole ratio between Zn to Zni which is 2:2 the moles of ZnI is also= 1.911moles
theoretical yield is therefore= moles of ZnI x molar mass of znI
= 1.911 moles x 319.2 g/mol = 609.99 grams
