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Svetlanka [38]
3 years ago
12

Solid silicon and solid magnesium chloride form when silicon tetrachloride gas reacts with magnesium metal. Write a word equa- t

ion and an unbalanced formula equation. Include all of the appropriate notations.
Chemistry
1 answer:
antiseptic1488 [7]3 years ago
8 0
SiCl4 + 2Mg ---> 2Si + 2MgCl2
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Find the average atomic mass of neon, given the atomic masses and relative abundance of its three isotopes.
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<span>19.992*0.9048+20.993*0.0027+21.991+0.0925 = </span><span> 20.1797 amu (C)</span>
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If 120 g of potassium chloride are mixed with 100 g of water at 80°C, how much will not dissolve?
djverab [1.8K]

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yes

Explanation:

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Which type of electromagnetic wave has the most energy?
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At what temperature does uranium hexafluoride have a density of 0.9560 g/L at 0.5073 atm?
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Given:



Density = 0.7360 g/L.

Pressure = 0.5073 atm.
Step 2
The mathematical expression of an ideal gas is,

Chemistry homework question answer, step 2, image 1
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Here, R is the universal gas constant (0.0821 L-atm/mol K), T is the temperature in Kelvin, and n is the number of
8 0
4 years ago
A 0.1 mm sample of human blood has approximately 6000 red blood cells. An adult typically has 5.0 L of blood. How many red blood
olga55 [171]

 3.0 × 10¹¹ RBC's    (or)      3E11 RBC's


Solution:

Step 1: Convert mm³ into L;


As,


                                            1 mm³  =  1.0 × 10⁻⁶ Liters


So,


                                         0.1 mm³  =  X  Liters


Solving for X,


                       X  =  (0.1 mm³ × 1.0 × 10⁻⁶ Liters) ÷ 1 mm³


                       X  =  1.0 × 10⁻⁷ Liters


Step 2: Calculate No. of RBC's in 5 Liter Blood:


As given


                        1.0 × 10⁻⁷ Liters Blood contains  =  6000 RBC's


So,


                         5.0 Liters of Blood will contain  =  X  RBC's


Solving for X,


                      X  =  (5.0 Liters × 6000 RBC's) ÷ 1.0 × 10⁻⁷ Liters


                      X  =  3.0 × 10¹¹ RBC's


Or,


                     X  =  3E11 RBC's



5 0
3 years ago
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