2. Given 90 ml of hydrogen gas collected at 27c, how milliliters will the hydrogen occupy
ase
MANY
at 42°C ?

94.5 ml

Step-by-step explanation:

it's the relation of PV = nRT

as pressure , moles and R are held constant

V1/V2 = T1/T2

where V is volume and T is temperature in "Kelvin"

V2 = V1 * T2 / T1

V2 = 90 * 315 / 300

2

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.