False
only observing chemical property will change its identity
Answer:
Explanation:
Here is ur answer what you wanna do first is calculate the first and second numbers and letters this should be ur answer = -394 + 2 x (-242) - (-75) + 2 x 0 = -803 kJ/mol
Answer:
cation +2
Explanation:
A cation is a positively charged ion, while an anion is a negatively charged ion. Contrary to how it sounds, when an atom loses electrons, it's charge becomes more positive. Since the calcium atom lost 2 electrons, it is a positive (+2) ion.
Answer: Um pretty sure it is 22.35 m/s
1). Take your current speed in either kmph or mph.
2). Divide it by 60 to get kilometers per minute or miles per minute.
3). Divide by 60 again, getting kilometers per second or miles per second.
And der you go.
