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gladu [14]
2 years ago
9

Balance the equation CuCl2 + H2S → CuS + HCl

Physics
2 answers:
Leviafan [203]2 years ago
5 0

Answer:

CuCl2 + H2S -> CuS + 2HCl

Explanation:

in the reactants the 2 in 2HCl multiplies to give you 2 Hydrogens and 2 Chlorides.

Alexxandr [17]2 years ago
3 0
U am sorry for I can answer this question because there are no answers or and thing to explain
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a golf ball is hit with a velocity of 30.0 m/s at an angle of 25 degrees about the horizontal. how long is the ball in the air a
Pie
Ok so use trigonometry to work out the vertical component of velocity.

sin(25) =opp/hyp
rearrange to:
30*sin(25) which equals 12.67ms^-1

now use SUVAT to get the time of flight from the vertical component,

V=U+at

Where V is velocity, U is the initial velocity, a is acceleration due to gravity or g. and t is the time.

rearranges to t= (V+u)/a

plug in some numbers and do some maths and we get 2.583s

this is the total air time of the golf ball.

now we can use Pythagoras to get the horizontal component of velocity.

30^2-12.67^2= 739.29
sqrt739.29 = 27.19ms^-1

and finally speed = distance/time

so--- 27.19ms^-1*2.583s= 70.24m

The ball makes it to the green, and the air time is 2.58s 
4 0
2 years ago
Which of the following is an example of an acceptable time to ignore the rules and etiquette of a sport?
Helga [31]

Answer:

D-it's never acceptable to ignore rules and etiquette

Explanation:

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2 years ago
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What are the limitations of using solar panels?
Anit [1.1K]

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The amount of the sun energy that could be collected.

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Some limitations are, the amount of the sun's energy that could be collected the radiation of sun is nearly fixed. The place where we can put the solar panels are also limited.

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3 years ago
What is the atomic number of this element?
Zina [86]
The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon


So I believe it’s 6 hope this helps if not reply back
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Its diamond i am 100% right!

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