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Jet001 [13]
3 years ago
14

Formula of velocity rate​

Chemistry
2 answers:
hram777 [196]3 years ago
3 0
Velocity (v) is a vector quantity that measures displacement (or change in position, Δs) over the change in time (Δt), represented by the equation v = Δs/Δt. Speed (or rate, r) is a scalar quantity that measures the distance traveled (d) over the change in time (Δt), represented by the equation r = d/Δt.
aksik [14]3 years ago
3 0

Answer:

V=d/t

,,,,,,,,,,,,,,,,,

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3 years ago
What mass of YCL3 forms when 10.0 grams of each reactant are combined?
Triss [41]

The mass of YCl_3 that would be formed will be 18.22 grams

<h3>Stoichiometric calculations</h3>

Let us first look at the balanced equation of the reaction:

2Y + 3Cl_2 --- > 2YCl_3

The mole ratio of Y to Cl_2 is 2:3.

Mole of 10.0 grams of Y = 10/88.9 = 0.11 moles

Mole of 10.0 grams  Cl_2 = 10/71 = 0.14 moles

3/2 of 0.11 = 0.165. Thus,  Cl_2 is limiting in availability.

Mole ratio of  Cl_2 and YCl_3 = 3:2

Equivalent mole of YCl_3 = 2/3 x 0.14 = 0.093 moles.

Mass of 0.093 moles YCl_3 =0.093 x 195.26 = 18.22 grams

More on stoichiometric calculations can be found here: brainly.com/question/27287858

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5 0
2 years ago
A lead ball is added to a graduated cylinder containing 30.8 ml of water, causing the level of the water to increase to 89.9 ml.
enot [183]

A lead ball added to a graduated cylinder containing 30.8 ml of water, causing the level of the water to increase to 89.9 ml, has a volume of 59.1 ml.

Volume is defined as the amount of space that matter occupies. There are three different ways to find the volume:

1) Volume by Space - by measuring its physical dimensions

2) Volume by Density and Mass - by dividing its weight by its density

3) Volume by Displacement - by measuring the volume displaced when immersed in a liquid or gas

To solve for the volume of the lead ball, we can use the displacement method by subtracting the initial volume from the final volume.

If the level of the water increased from 30.8 ml to 89.9 ml upon adding the lead ball, the displaced volume is:

volume = final volume - initial volume

volume = 89.9 - 30.8

volume = 59.1 ml

Hence, the volume of the lead ball, using displacement method, is 59.1 ml.

To learn more about volume by displacement: brainly.com/question/1945909

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What happens when you heat an air filled sealed can ?
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The pressure increases and would explode
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Vilka [71]

Answer:

in position and time graphs the slope of line indicates the velocity

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