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Stella [2.4K]
2 years ago
8

The color of the explosive mixture is yellow, green, and red-orange. Explain how the colors are formed and which three metals we

re most likely present in the rocket??
Chemistry
1 answer:
Inessa [10]2 years ago
5 0

Answer:

m

Explanation:

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Write the formula for calcium chloride. Explain how you determined this formula
hichkok12 [17]

Calcium forms an ion with a positive 2 charge and chlorine forms an ion with a negative one charg, so the formula is <span>CaC<span>l2</span></span>

Group 1 metals and group 2 metals form positive ions by losing 1 and 2 electrons respectively. Non-metals in group 17 gain 1, group 16 gain 2 and group 15 gain 3. Elements which lose electrons form positive ions while elements that gain electrons form negative ions. 

To write a formula, you must balance charges so the overall charge is zero. A simple way to do this is to swap the # of the ion's charge and make it the subscript of the other ion. However, leave off the number 1 and reduce to lowest whole number ratio.

7 0
3 years ago
Lipid vesicles are formed containing pure water. If these vesicles are transferred to a solution that contains a rather high con
NNADVOKAT [17]

Answer:

The question is not complete, the complete question should be "Lipids vesicles are formed containing pure water. If these vesicles are transferred to a solution that contains a rather high concentration of solutes, the solution outside the vesicle is said to be Hypertonic. True or False"

The answer is True

Explanation:

This is because  it contains greater concentration of solutes on the outside of the cell than the increase.

In other words hypertonic solutions have more concentrate of solutions on the outside than the inside.

3 0
2 years ago
Place the following in order of decreasing molar entropy at 298 k. H2 cl2 f2
Tanzania [10]

cl2>F2>H2

we can do this by molar mass

Hydrogen - 1

clorine - 35 x2 = 70

flourine- 18 x 2 = 36

flourine - 18

6 0
2 years ago
Vibrations that move through the ground carrying the energy released during an earthquake are called
Rus_ich [418]
<span>Vibrations that move through the ground carrying the energy released during an earthquake are called seismic waves. Seismic waves can be measured using a seismometer, which record the motion of the ground.</span>
5 0
3 years ago
Read 2 more answers
What element appears before iron
Eduardwww [97]
Mn 
Manganese 
hope this helps
7 0
2 years ago
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