He didn’t multiply the equation by 1/2 in the second part so it threw his whole answer off. Hope this helps
Answer:
balanced reaction: <u>1</u> C3H8 + <u>5</u> O2 ----> <u>3</u> CO2 + <u>4</u> H2O
Answer:
-403.2
Step-by-step explanation:
multiply the numbers together. a negative x a postive is a neg
There's always a decimal at the end of a whole number. here it's behind
the last zero. move that decimal so that the non-zero digit is less than
10 but more than 1.
4.73, the decimal was moved 4 places to the left. so the scientific notation is
4.72X10^4