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vlada-n [284]
2 years ago
15

When aqueous magnesium chloride reacts with liquid bromine

Chemistry
1 answer:
Bingel [31]2 years ago
3 0
Word equation: magnesium chloride + bromine -> magnesium bromide + chlorine
balance equation: MgCl2 + 2Br -> MgBr2 + 2Cl
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I've been waiting for like 10 mins. Please answer this.
Degger [83]

The answer is B. 6CO2+H2O yields C6H12O6+ 6H20.

3 0
3 years ago
Read 2 more answers
Sound and light are both found as (4)
Mrrafil [7]

Answer:  

Waves; wavelength; electromagnetic energy; ultraviolet light.  

Explanation:  

Sound are mechanical waves that are highly dependent on matter for their propagation and transmission.  

Sound travels faster through solids than it does through either liquids or gases.  

Lightwave can be defined as an electromagnetic wave that does not require a medium of propagation for it to travel through a vacuum of space where no particles exist.

Hence, sound and light are both found as waves, with a variety of wavelengths. The sun, a source of light waves specifically, releases a type of electromagnetic energy. It can be found as UVA or UVB types. These lights give off different levels of ultraviolet light, some of which can be harmful.

Additionally, the ultraviolet spectrum is divided into three categories and these are; UVA, UVB ,and UVC.

7 0
3 years ago
What mass of HCL, in grams, is required to react with 0.610 g of al(oh)3 ?
kompoz [17]

Answer: 0.8541 grams of HCl will be required.

Explanation: Moles can be calculated by using the formula:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}

Given mass of Al(OH)_3 = 0.610 g

Molar mass of Al(OH)_3 = 78 g/mol

\text{Number of moles}=\frac{0.610g}{78g/mol}

Number of moles of Al(OH)_3 = 0.0078 moles

The reaction between Al(OH)_3 and HCl is a type of neutralization reaction because here acid and base are reacting to form an salt and also releases water.

Chemical equation for the above reaction follows:

Al(OH)_3+3HCl\rightarrow AlCl_3+3H_2O

By Stoichiometry,

1 mole of  Al(OH)_3 reacts with 3 moles of HCl

So, 0.0078 moles of Al(OH)_3 will react with \frac{3}{1}\times 0.0078 = 0.0234 moles

Mass of HCl is calculated by using the mole formula, we get

Molar mass of HCl = 36.5 g/mol

Putting values in the equation, we get

0.0234moles=\frac{\text{Given mass}}{36.5g/mol}

Mass of HCl required will be = 0.8541 grams

3 0
3 years ago
Why do heat (q) and work (w) have positive values when entering a system and negative values when leaving?
Papessa [141]

Energy transferred into the system is wonderful due to the fact the system ends up with greater strength while energy transferred out from the machine is negative, because the device finally ends up with much less energy.

In defining work, we awareness at the outcomes that the system (e.g. an engine) has on its surroundings. for this reason we outline work as being fine when the gadget does work at the environment (strength leaves the machine). If work is completed at the gadget (energy added to the machine), the work is bad.

The classical sign convention states that warmth switch into a device and work produced with the aid of it are tremendous, while heat transfer faraway from a device and work produced on it is negative.

Q is wonderful if warmness is added into the device from the surroundings. The take a look at tube would feel cooler if the response had been being finished in one. If the surroundings is tormented by the machine, work is poor. This indicates that energy is escaping the system.

Learn more about work  brainly.com/question/18094932

#SPJ4

3 0
2 years ago
10. Chromium (III) oxide reacts with carbon dioxide to form..
Jobisdone [24]

Answer: chromium(III)

Explanation:

5 0
3 years ago
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