Author Question: The distance from the Earth to the Moon is approximately 240,000 miles. If a rocket travels at a ... (Read 57 times)

Tazate · **on:** Aug 27, 2018

The distance from the Earth to the Moon is approximately 240,000 miles. If a rocket travels at a speed of 7.50 km/sec, it will take ________ days to travel between the Earth and Moon.

A) 0.60
B) 1.7
C) 3.9
D) 7.3
E) 5.6

Question 2

The proper formula for the hydronium ion is ________.

A) H-
B) OH-
C) N3-
D) H3O+
E) NH4+

Question 3

What is the coefficient of O2 when the following equation is completed and balanced? C4H8O2 + O2 ________

A) 2
B) 3
C) 5
D) 6
E) 1

Question 4

The average adult requires 45 to 50 mg of iron every day.

Indicate whether the statement is true or false

amandanbreshears · **Reply #1 on:** Aug 27, 2018

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