Answer:
heat transfer is when you transfer heat from one thing to another and heat transformation is when heat is transforming into something else hope it helps
Explanation:
323 * $10.75 = $3472.25 → money raised from adult dinners
$5000 - $3472.25 = $1527.75 → money needed to reach $5000
$1527.75/$5.50 = 277.77 → 278 child dinners
Answer:
Explanation:
Hello,
In this case, the undergoing balanced chemical reaction is:
Thus, as 5.22 grams of aluminium oxide reacts, the required yielded amount of aluminium sulfate results:
Moreover, the percent yield is:
Best regards.
Answer:
The correct answer is - Positive charge occupies a very small volume in the atom.
Explanation:
Ernest Rutherford's experiments exhibited the presence of the nuclear core: a small region with the greater part of the mass of the atom and the positive charge.
Rutherford's gold foil analyze gave three conclusions:
- the particle is generally vacant space
- in it is a little, thick core or dense nucleus
- the core is positively charged.
Answer:
1 - D) friction
2- B) rough
3- B) gravity
4- A)smooth
5- C)gravity pulls you down
