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Readme [11.4K]
3 years ago
6

Let's practice calculating mass number. If an atom has 3 protons and neutrons, what's the mass number

Chemistry
1 answer:
kicyunya [14]3 years ago
5 0
The mass number is the same as the number of neutrons
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Write the balanced net ionic equation for the reaction that occur in the following case. Cr2(SO4)3(aq)+(NH4)2CO3(aq)→
solmaris [256]
Cr2(SO4)3(aq) + 3(NH4)2CO3(aq) → 3(NH4)2SO4(aq) + Cr2(CO3)3(s) 

<span>Ionic: 2Cr+3 + 3SO4^-2 + 6NH4+ + 3CO3^-2 ----> 6NH4+ + 3SO4^-2 + Cr2(CO3)3 (spectator ions are NH4+, SO4^-2) </span>

<span>Net Ionic: 2Cr^+3(aq) + 3CO3^-2(aq) -------> Cr2(CO3)3(s) </span>
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what is the correct definition of refraction? 1. A change in the direction of light when it goes from one medium into a differen
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im pretty sute the answer would be number 4.

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As a cooking method, braising is valued for its A. ability to retain flavor. B. quickness and convenience. C. simplicity and ver
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Explanation:

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3 years ago
How many moles of MgSiO3 are in 237g of the compound?
Anna35 [415]
For this, we first calculate molecular weight of MgSiO₃:
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6 0
3 years ago
What dose the saying Stars must die for others to be born mean
Orlov [11]

Answer:

-> there isnt an exact answer

Explanation:

stars have a cycle of life, like humans and other organisms. when they are dying they may get hotter or bigger. they will become red giants, and may explode.. kinds like the big bang theory. it will leave a small white dwarf star behind, about the size of earth, and it is super hot. the stars contain dark matter which will be spewed into the galaxy planting a path for future stars

I reccomend searching google for an exact answer

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