Caleb has a 860-kilogram car sitting in his back yard, gathering rust.
2 answers:
Answer: 860 g (a)
Explanation:
i just got this question on Study Island
<h3>
Answer:</h3>
A. 860 kg
<h3>
Explanation:</h3>
To answer the question we need to understand that;
- Mass refers to the amount of matter in an object.
- Weight, on the other hand, refers to the gravitational pull of an object to a given surface.
- Mass is measured using a spring balance.
We also need to know that;
- The mass of an object remains constant every where irrespective of the gravitational acceleration.
- Therefore, an object on the surface of the earth would have the same mass as on the surface of the moon.
- In this case; the mass of the car remains the same on the outer space as on the back yard.
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Protons would be ones with the +
Answer:
112.
a. [Ne] 33
b. [He] 22
c. [Ar] 34
d. [Kr] 4d1 5s2
e. Xe 4f14 5d10 6s2 6p5
Answer:
1.26 mole
Explanation:
Using ideal gas law
PV=nRT
R= 0.08206
T=273+87=360
1.2×31=n×0.08206×360
37.2 =n × 29.54
n= 1.26 mole
Isotopes exist due to atoms of the same element having different numbers of neutrons