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rewona [7]
3 years ago
13

If an object is thrown 60 m into the air and it takes the object 6 s to get there, what's the average speed of the object?

Chemistry
2 answers:
Ghella [55]3 years ago
7 0
Average speed = total distance / total time taken
                         = 60/6
                         = 10 m/s
tigry1 [53]3 years ago
4 0

Answer : The average speed of the object is, 10 m/s

Solution : Given,

Distance traveled by the object = 60 m

Time taken = 6 s

Average speed : It is defined as the distance traveled by an object in per unit time. The unit of average speed is, meter/second.

Formula used :

\text{Average speed}=\frac{\text{Distance traveled}}{\text{Time taken}}

Now put all the given values in this formula, we get the average speed of an object.

\text{Average speed}=\frac{60m}{6s}=10m/s

Therefore, the average speed of the object is, 10 m/s

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Normally the capital ÎGo° for a reaction would be determined at standard temperature with each reactant at a concentration of 1
Arte-miy333 [17]

Answer:

d.-379 cal/mol

Explanation:

ΔG = ΔG⁰ + RT ln K

for equilibrium ΔG = 0

ΔG⁰ + RT ln K =0

ΔG⁰   =  -  RT ln K

PG ⇒ PEP

K = [ PEP ] / [ PG ]

= .68 / .32

= 2.125

ΔG⁰   =   - 1.987 x 273 x  ln 2.125

= - 409 Cal / mole

Option d is the nearest answer .

8 0
3 years ago
At 19 °C, the vapor pressure of pure ethanol is 40.0 mmHg.<br> What is the pressure in atm?<br> atm
m_a_m_a [10]

Answer:

0.05263158 atm

Explanation: mmHg to Atmosphere Conversion Example. Task: Convert 975 mmHg to atmospheres (show work) Formula: mmHg ÷ 760 = atm Calculations: 975 mmHg ÷ 760 = 1.28289474 atm Result: 975 mmHg is equal to 1.28289474 atm. This is an example for how i got the answer.

5 0
2 years ago
What is the concentration of magnesium bromide, in ppm, if 133.4 g MgBr2 dissolved in 1.84 L water. Then solve for the bromine c
Serhud [2]

Answer: 0.0725ppm

Explanation:

133.4g of MgBr2 dissolves in 1.84L of water.

Therefore Xg of MgBr2 will dissolve in 1L of water. i.e

Xg of MgBr2 = 133.4/1.84 = 72.5g

The concentration of MgBr2 is 72.5g/L = 0.0725mg/L

Recall,

1mg/L = 1ppm

Therefore, 0.0725mg/L = 0.0725ppm

7 0
3 years ago
Name the type of crystalline solid formed from the following structural units and describe how the solid is formed.
IgorLugansk [536]

Name the type of crystalline solid formed from the following structural units and describe how the solid is formed.

A. Metal atoms

7 0
3 years ago
Read 2 more answers
Determine the change in volume that takes place when a 3.25-L sample of N2(g) is heated from 250.0 K to 406.8 K. Enter your answ
alexgriva [62]

<u>Answer:</u> The change in volume is 2.05 L

<u>Explanation:</u>

To calculate the final temperature of the system, we use the equation given by Charles' Law. This law states that volume of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

\frac{V_1}{T_1}=\frac{V_2}{T_2}

where,

V_1\text{ and }T_1 are the initial volume and temperature of the gas.

V_2\text{ and }T_2 are the final volume and temperature of the gas.

We are given:

V_1=3.25L\\T_1=250.0K\\V_2=?\\T_2=406.8K

Putting values in above equation, we get:

\frac{3.25L}{250.0K}=\frac{V_2}{406.8K}\\\\V_2=5.30L

Change in volume = V_2-V_1=(5.30-3.25)L=2.05L

Hence, the change in volume is 2.05 L

3 0
2 years ago
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