3 years ago

What is yx10=6?, because i'm having trouble with my work?

SAT

1 answer:

nexus9112 [7]3 years ago

8 0

Y would equal .6 . The fraction version would be 6/10.

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3 years ago

a person jogs 4.0KM in 32 min, then 2.0n in 22min and finally 1.0km 16 min. what is the joggers average speed in km per min? ple

Marta_Voda [28]

Speed= distance divided by time so s=d/t

first find the individual speeds during each running segment. we get

s=4.0/32=1/8 km per min
s=2.0/22=1/11 km per minute
s=1.0/16=1/16 km per minute

now we take the average. the person jogged a TOTAL of 7.0 km in a TOTAL 70 minutes. so on average, they jogged 7.0/70=1/10 km per minute

4 0

3 years ago

How many moles of neon would be contained in 4.0 l of neon gas at 2 atm and 127oc?

Sergeeva-Olga [200]

If the pressure, volume, and temperature are 202650 Pa, 0.004 cubic meters, and 400.15 K. Then the number of the mole is 0.24 mol.

<h3>What is thermodynamics?</h3>

It is a branch of science that deals with heat and work transfer.

We know that the Ideal gas equation is given as

PV = nRT

Where

P = Pressure (Pa)

V = Volume (in m³)

n = Number of moles (mol)

R = universal gas constant (8.314 J⋅K⁻¹⋅mol⁻¹)

T = temperature (in K)

We have

P = 2 atm = 202.65 × 10³ Pa

V = 4 liters = 0.004 m³

T = 127 °C = 400.15 K

Then we have

Then the number of the mole will be

$\rm n = \dfrac{PV}{RT}\\\\\\n = \dfrac{202.65 \times 10^3 \times 0.004}{8.314 \times 400.15}\\\\\\n = \dfrac{810.6}{3326.85}\\\\\\n = 0.24365 \approx 0.24$