Answer:
Decomposition or cracking
Explanation:
Decomposition reaction is a chemical change in which a single compound is broken down into two or more simpler products.
For example;
A → B + C
The driving force of such reaction is the high positive heat of formation of the compound which indicates that they are highly unstable.
Some stable compounds also decompose when subjected to high temperature and pressure.
Diamond is very hard material while graphite is very soft. plus graphite has blackish colour while diamond is quite transparent
A nuclear reaction must always conserve mass. Since natural transmutation includes the conversation of mass, it is a type of nuclear reaction.
Final answer:- <span>(4) natural transmutation</span>
Answer:
4.06 g BaCl₂
Explanation:
Molarity (M) is given by this formula:
We are given M and L in this equation; we can solve for moles of BaCl₂ and use stoichiometry to convert this amount to grams.
First convert 50.0 mL to L:
Plug this value for L and 0.390 for M into the equation.
Solve for mol by multiplying .05 to both sides.
We have .0195 mol BaCl₂. Now let's use stoichiometry to calculate the amount of grams in .0195 mol BaCl₂.
The molar mass of BaCl₂ is 208.23 g so by using stoichiometry...
There are 4.06 g of BaCl₂ in this solution.
Answer:
we are given that
Student converts grams to milligrams by multiplying by the conversion factor 1g/1000 mg.
we have been asked to find Is the student performing this calculation correctly?
Suppose you have x grams of something and convert it into mg as follows:
As we know that
So we can write
mg
It mean that conversion factor is
It mean student doesn't performed the calculations correctly.
Explanation: