Answer:
D.
Explanation:
-log(1.0x10^-5) = pH
pH + pOH = 14 (rearrange it)
OH- = 10^-pOH = 1.0 x 10^-9
- Hope that helped! Let me know if you need further explantion.
The force that accelerates objects towards Earth is gravity.
Answer:
what is the formula of rectangle
Answer:
Concept: Chemical Analysis
- You need to start by graphing the data and then analyzing it.
- We can see that the horse has a distance in meters of 980 at the end of the 10 seconds hence it is the fastest.
- The horse line has a linearly representation, while the alternate line has parabolic tendencies towards the end. The steeper line indicates a faster change in time or velocity which results in a greater distance traveled indicating that the horse is faster.
- *I have confidence you can graph that*
The smallest mass among the choices is Choice (ii):2.3 x 10-3 μg
This is so because, the prefix μ signifies a factor of 10^-6.
For choice I:
- 23 cg means 23 centigrams
For choice II:
- 2.3 × 10-3 μg means 2.3 × 10-9 grams
For choice III:
- 0.23 mg means 0.23 × 10-3 grams
For choice IV:
- 0.23 grams simply means 0.23grams
For choice V:
- 2.3 × 10-2 kg means 23 grams
Ultimately, Choice II represents the smallest mass.
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