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ozzi
2 years ago
14

A gallon of paint covers 350 square feet.

Chemistry
1 answer:
trapecia [35]2 years ago
4 0

Answer:

2,137... gallons

Explanation:

(160+140+14x16x2)/350=2,137...

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Complete the isotope symbol with mass numbers of 35
amid [387]
The answer would be
35 ============= > A CL = ============> CL 17 === = ======== >Z 
37 CL 17 Isotopes mean A different and equal Z.
Isotopes are atoms that have the same number of protons but a different number of neutrons but still belong to the same element. Though they have the same atomic number but not the same mass number.
5 0
3 years ago
Read 2 more answers
If you remove two protons and two neutrons from a gold atom (au), what new element is formed (if any)?
ivanzaharov [21]

Answer: Iridium

Explanation:

The atomic number of Iridium is 77.

8 0
2 years ago
Most of the elements of which region of the periodic table are located directly to the right of the metalloids?
scZoUnD [109]

Answer:

im sorry for being mean goodbye im get the real answer

Explanation:

7 0
3 years ago
A piece of neutral litmus paper turned red in some grapefruit juice.  What does this show about the grapefruit juice
Elodia [21]

Answer:

grapefruit juice is an acid

Explanation:

A piece of neutral litmus paper turned red in some grapefruit juice.  What does this show about the grapefruit juice

with litmus paper remember:

E     R          

S     E

ACID

BLUE

acids turn litmus red, bases turn it blue

all citrus fruits :llemons, lime, grapefruit, oranges, etc are called

CITRUS FRUITS because they contain citric acid

7 0
2 years ago
What is the ph of a 2.00 m hno2 solution if ka=5.00 e-6?
zysi [14]

Answer: -

2.5

Explanation: -

Initial [HNO₂] = 2.00 M

ka = 5.00 x 10 ⁻⁶

ICE table for HNO₂ =

[\left[\begin{array}{cccc}concentrations&HNO2&H+&NO2\\Initial&2.00&0&0\\Change&-x&+x&+x\\Equilibrium&2.00-x&x&x\end{array}\right]

Ka = \frac{x2}{2.00-x}

5.00 x 10-6 = \frac{x2}{2.00-x}

x = 0.0032 M

pH = - log [H⁺]

= - log 0.0032

= 2.5

6 0
3 years ago
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