I thin that the answer to 3 is “hydroelectric”
Pi x r2 is the equation to find circumference of a circle, pi x r^2 is the equation for finding the area of a circle.
Answer:
About 4.6 Billion Years old
Explanation:
The empirical formula of arginine is C3H7N2O2.
<h3>What is the empirical formula of arginine?</h3>
Now we know that the empirical formula is the formula that shows the ratio of the atoms present in the compound.
Now we know that;
C - 41.368/12 H - 8.101/1 N - 32.162/14 O - 18.369/16
C - 3.445 H - 8.101 N - 2.297 O - 1.148
Dividing through by the lowest ratio;
C - 3.445/1.148 H - 8.101/1.148 N - 2.297/1.148 O - 1.148/1.148
C - 3 H - 7 N - 2 O - 2
C3H7N2O2
Learn more about arginine:brainly.com/question/13589467
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