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kramer
3 years ago
7

Why is the top ruler more reliable in measuring length than the bottom ruler?

Chemistry
2 answers:
rodikova [14]3 years ago
6 0
I’m assuming the top ruler has more measurement points, like more specific numbers. This would mean the top ruler is more reliable because you can be more specific with your measurements
denpristay [2]3 years ago
5 0

Answer:

cause the bottom part starts at 0 and the top starts at 12

Explanation:

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xxMikexx [17]

Answer:

It's either Substance 1 or Subatance 4 !

8 0
3 years ago
A piece of glass with a mass of 32.50 g specific heat of 0.840 J/g*°C and an initial temperature of 115 °C was dropped into a ca
Fudgin [204]
119.84 c is the answer
6 0
3 years ago
Read 2 more answers
How many half lives would pass if a mass of copper-66 decayed for 51 minutes? The half life of Cu-66 is 5.10 minutes.
Sveta_85 [38]
Divide 51 by 5.1, it's 10 half lives
4 0
3 years ago
What do you think happens to the bonds between atoms when substances melt?
Eduardwww [97]

Answer:

As a substance melts, and goes from a solid to a liquid state, the kinetic energy of the molecules increases, and the molecules move faster, and they separate further and further away from each other.  The intermolecluar forces holding the molecules together become weaker.  This is why a liquid can take fill the shape of its container, whereas a solid has a fixed shape.

Explanation:

take your notes man

6 0
3 years ago
Zn + O2= ZnO<br><br> How many moles of zinc are needed to make 500. g of zinc oxide?​
s2008m [1.1K]

Answer:

5.15 moles

Explanation:

2zn + o2 = 2zno

5.15 2.57 5.15 moles

nzno=500/(16x2+65)= 5.15 moles

-> nzn = 5.15 x 2 ÷ 2 = 5.15 moles

6 0
3 years ago
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