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Iteru [2.4K]
3 years ago
5

Which of these is a chemical property? boiling point odor ability to rust color

Chemistry
1 answer:
NISA [10]3 years ago
6 0

Answer:

ability to rust

Explanation:

i'm like 90% sure thats correct

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In the following reaction, 451.4 g of lead reacts with excess oxygen forming 365.0 g of lead(II) oxide. Calculate the percent yi
user100 [1]
Let MM(x) be the molar mass of x.

MM(Pb) : MM(PbO)
=207.21 : 223.20  =  451.4 g : x g

cross multiply and solve for x
x=223.2/207.21*451.4
= 486.23 g

Percentage yield = 365.0/486.23= 0.75067 = 75.07% (rounded to 4 sign. fig.)

4 0
4 years ago
How many moles are in 9.25E24 formulas units of sodium acetate?
Lelu [443]

Answer:

<h2>15.37 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{9.25 \times  {10}^{24} }{6.02 \times  {10}^{23} }  \\  = 15.365448...

We have the final answer as

<h3>15.37 moles</h3>

Hope this helps you

5 0
3 years ago
Determine the number of valence electrons for aluminum through the use of this table.
julia-pushkina [17]
There appears to be no table shown, but I can still answer. Aluminum has 3 valence electrons 
3 0
4 years ago
Read 2 more answers
Write the scientific term .<br><br>the metallic oxides which desolve in water (...............)
Pavel [41]
Magnesium oxide is the metallic oxide which dissolve in water
3 0
3 years ago
5. Complete and balance an equation for each reaction:
Kipish [7]

CaI₂ + Hg(NO₃)₂ --------->HgI₂ + Ca(NO3)2

2Al + 3Cl₂ --------->2AlCl3

Ag + HCl ------->AgCl + H2

C2H2 + 5O2 --------> 4CO2 + 2H2O

MgCl₂ --------->Mg + Cl2

6 0
3 years ago
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