How do i set this up using the dimensional analysis method

You want to start with years and end with kilograms of dog food.

1 yr → kg dog food

The sequence must be

1 yr → days → cups of food → grams of food → kilograms of food

At each step, you use a conversion factor (CF) to get the result you want.

Each CF must have

•on top the units of the result you want

•on the bottom, the units of the preceding term

Your sequence now becomes

Time = 1 yr × (no. of days/yr) × (no. of cups/day) × (g dog food/cup)

× (kg dog food/g dog food) = kg dog food

Notice that the denominator of a CF always cancels the units of the one before it.

Do you get something like 100 kg dog food?

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

the ideal gas law equation is as follows

pv = nrt

where p - pressure

v - volume

n - number of moles

r - universal gas constant

t - temperature

so if the pressure, volume and temperature are already known

we are left with n and r

since r is the universal gas constant that has a known fixed value then r too is known

so we are left with 'n'

once we know temperature volume and pressure

we can find the number of moles of gas present using the ideal gas law equation

this is not my own answer, this is an answer for the same question by the user blahblahmali. i do not claim ownership of this account.