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hoa [83]
3 years ago
7

What is the oxidation state of an individual bromine atom in nabro3?

Chemistry
1 answer:
sveta [45]3 years ago
6 0
The oxidation state is 5
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The complete combustion of C4H10, will require how many moles of oxygen, O2? ________.​
tangare [24]

Answer:

2

Explanation:

C⁴H¹⁰ + 2O² —> 4CH²O + H²

8 0
3 years ago
What do acid formulas have in common?
maks197457 [2]

the answer is H is the cation

Explanation :

The general formula of an acid is represented as,  in which 'H' is hydrogen cation and 'X' is a non-metal or a poly-atomic anion.

For example : etc.

All the acids produces hydrogen ion,  in an aqueous solution while the base produces hydroxide ion,  in an aqueous solution.

5 0
3 years ago
Read 2 more answers
what is the correct conversion factor by which to multiply to convert moles of nitrogen to moles of ammonium nitrate (NH4NO3)
Ostrovityanka [42]

Answer:

0.5

Explanation:

1 mole of ammonium nitrate contains 2 moles of nirogen

1 mole of nitrogen converts to 0.5  moles of ammonium nitrate

the conversation factor is 0.5

6 0
3 years ago
Read 2 more answers
4. DBearded waste of Co-60 must be stored until it is no longer radioactive. Cobalt-60
Bingel [31]

464 g radioisotope was present when the sample was put in storage

<h3>Further explanation</h3>

Given

Sample waste of Co-60 = 14.5 g

26.5 years in storage

Required

Initial sample

Solution

General formulas used in decay:  

\large{\boxed{\bold{N_t=N_0(\dfrac{1}{2})^{t/t\frac{1}{2} }}}

t = duration of decay  

t 1/2 = half-life  

N₀ = the number of initial radioactive atoms  

Nt = the number of radioactive atoms left after decaying during T time  

Half-life of Co-60 = 5.3 years

Input the value :

\tt 14.5=No.\dfrac{1}{2}^{26.5/5.3}\\\\14.5=No.\dfrac{1}{2}^5\\\\No=\boxed{\bold{464~g}}

8 0
3 years ago
Give three examples of heterogeneous mixtures and three examples of solutions that you might use in everyday life.
beks73 [17]

Answer:

Explanation:

Heterogeneous mixtures: Milk, salt and pepper, smog, chocolate chip cookie, oil and water.

Solutions we might use everyday: Gatorade, Apple Juice, most wines and liquor, liquid detergent, coffee etc.

7 0
3 years ago
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