Answer:
#P: 15
#N: 16
Mass Number: 30.973762u (You can round it if you want)
Isotope symbol: P
Explanation:
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Answer:
Energy is needed to break the bonds of H-H in H2 and Cl-Cl in Cl2
Energy is released when the H-Cl bonds form.
Explanation:
During a chemical reaction, energy is needed to break the bonds between reactants in order for reactants to recombine with each other to form products.
According to the collision theory, chemical reactions occur when reactant particles of appropriate activation energy collide with each other to form the products. This implies that energy must be absorbed in order to break Cl-Cl and H-H bonds in the reactants so that they can collide to form HCl. As the new bond is formed in the product, the excess energy absorbed by the reactants is given off.
From the balanced equation, we know that one mole of lithium oxide is produced for every two moles of lithium metal. Therefore, we have:
8 moles Lithium * (1 mole Li2O)/(2 moles Lithium) = 4 moles Li2O
Answer:
She puts the lid on the bucket. Which of the following describes the energy transfer between the water and the can of soda in the bucket? Thermal energy is transferred from the can of soda to the water so the can of soda gets cooler and the water stays the same temperature
Explanation:
Answer:
100 yard = 91.44 meters
Explanation:
1 yard = 0.9144 m
We need to find how many meters are in a 100-yard football field. For this, we must use the unitary method as follows :
100 yard = 100 × 0.9144 m
= 91.44 m
Hence, there are 91.44 meters in 100 yard.