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kari74 [83]
2 years ago
12

Dribbling a basketball harder into the floor makes it bounce higher is an example of what newton's law?

Chemistry
1 answer:
vodomira [7]2 years ago
8 0
Newton’s third law, because a person(a) is acting upon the ball(b) by dribbling the ball on the floor
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If a sodium ion (Na+) has a positive charge and loses an electron when combined with chlorine, will the sodium atom become a new
Alina [70]

Answer:

No

Explanation:

loss of electron doesn't affect the element.

only change in proton number can, as we notice in nuclear chemistry.

please mark brainliest

7 0
3 years ago
Find the mass in grams of 2.00 x 10^23 molecules of C10 h15 09.( called penguinone because its structure looks like a penguin.)
Dafna1 [17]
2.00x10^23 x 1 mol/6.02x10^23 molecules x 279.25g C10H15O9/1 mol 
= 92.77 grams 
Molar mass of C10H15O9 is 279.25 grams. 

So the answer is 92.77 grams 
6 0
3 years ago
Hydrogen bonds between adenine & thymine or guanine and cytosine form ______ _______ that join the two strands of the DNA do
Kryger [21]

Base pairs.

Four + Five = Nine

The third letter in base is S.

IT ADDS UP.

7 0
3 years ago
If the toxic quantity is 1.5 gg of ethylene glycol per 1000 gg of body mass, what percentage of ethylene glycol is fatal
Elina [12.6K]

Answer:

The percentage of ethylene glycol that is fatal is 0.15 %

Explanation:

If the toxic quantity of ethylene glycol in a 1kg or 1000 g body weight is 1.5 g then the percentage of ethylene glycol that is fatal is

\frac{1.5}{1000} ˣ 100 = 0.15%

Hence, the percentage of ethylene glycol that is toxic for any body weight is 0.15%. This percentage is very important in various aspects of science including drug discovery and food production/processing

4 0
2 years ago
A compound was isolated and found to contain 72.2% magnesium and the rest nitrogen. What is the empirical formula of this compou
strojnjashka [21]
Since the compound is 72.2% Mg then there would be 27.8% N. Then you can just change it to 72.2 g Mg and 27.8 g N.
then convert to moles by dividing by molecular mass.
72.2÷24.31=2.96 moles Mg
27.8÷14.01=1.98 moles N
then divided by the lowest number.
2.96÷1.98=1.5
Since it is 1.5 you multiply by 2. so you have 3 Mg
1.98÷1.98=1 N
so the empirical formula is Mg3N
6 0
2 years ago
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