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OlgaM077 [116]
3 years ago
11

PLEASE HELPPPP IM GIVING THE TEST RN

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

Answer:

answer is c

Explanation:

single replacement

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2 moles of sodium phosphate reacts with 3 moles of
miss Akunina [59]

Answer: 6 moles of NaCl are produced when 2 moles of sodium phosphate reacts with 3 moles of  calcium chloride

Explanation:

The balanced chemical equation is:

2Na_3PO_4+3CaCl_2\rightarrow 6NaCl+Ca_3(PO_4)_2  

According to stoichiometry :

2 moles of Na_3PO_4 require 3 moles of CaCl_2

Thus both are limiting reagent as both will limit the formation of product.

As 2 moles of Na_3PO_4 reacts with 3 moles of CaCl_2 give = 6 moles of NaCl

Thus 6 moles of NaCl are produced when 2 moles of sodium phosphate reacts with 3 moles of  calcium chloride

 

4 0
3 years ago
A mercury lamp emits radiation with a frequency of 5.62 x1024 Hz. Calculate the wavelength of
Nitella [24]

Answer:

wavelength = 0.534×10⁻¹⁶ m

Explanation:

Given data:

Frequency of wave = 5.62 ×10²⁴ Hz

Wavelength = ?

Solution:

Speed of photon = wavelength × frequency

wavelength = speed of photon / frequency

Now we will put the values in formula:

wavelength = 3×10⁸ m/s / 5.62 ×10²⁴ Hz

Hz = s⁻¹

wavelength = 3×10⁸ m/s / 5.62 ×10²⁴ s⁻¹

wavelength = 0.534×10⁻¹⁶ m

7 0
3 years ago
AGAIN PLEASE ONLY ANSWER IF YOUR GOING TO HELP TY!
Vladimir [108]

Answer:

do you have any socials to add me so i ca answer /try answer all ur questions or if not jist asl the internet these question

Explanation:

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5 0
3 years ago
Why would you add a catalyst to something
tekilochka [14]

Answer:

If this related to science, then you would add a catalyst to speed up a reaction.

Explanation:

The definition of a catalyst is: "a substance that causes or accelerates a chemical reaction without itself being affected".

Examples of this include the enzymes in our stomach acid that aid in digestion.

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3 years ago
Science on the Law of Conservation of Mass
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ml ml ml ml ml ml ml ml ml ml

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