3 years ago

HELP PLS EEEEEEEEEEEEEEEEEEEE

Chemistry

2 answers:

Anika [276]3 years ago

6 0

I think it’s B!! Good luck

stepladder [879]3 years ago

3 0

Answer:

what do you help with

Explanation:

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Multiply or divide to find the equivalent fraction.<br><br> 51/120=□/360

jok3333 [9.3K]

Answer

153

Explanation:

51/120 = x/360

51(360) = 120x

18360 = 120x

18360/120x = 120x/120x

153 = x

5 0

2 years ago

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maria [59]

PV=nRT

P = 85.0 x 10^3 Pa

T = 273 + 20 = 293 K

n = 2.0 moles

R = 8.314 m3. pa / mol .K

V = 2.0 x 293 x 8.314 / 85.0x10^3 = 0.195623529 m^3

6 0

3 years ago

A scientist wants to replace the letters on the diagram with the features they represent. Which question would BEST help a scien

agasfer [191]

Answer:

Explanation:

7 0

2 years ago

What is the mass in grams of 120 liters at STP oh He gas

skad [1K]

The mass of He gas = 21.428 g

<h3>Further explanation</h3>

Given

120 liters of He gas

Required

the mass in grams

Solution

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). At STP, Vm is 22.4 liters/mol.

Mol for 120 L :

$\tt \dfrac{120}{22.4}=5.357~moles$

Mass of He gas(MW=4 g/mol) :

$\tt mass=mol\times Ar\\\\mass=5.357\times 4=21.428~g$

5 0

2 years ago

1. A 40,000 kg plane is accelerating at a rate of 4m/s2. How much force does the engine put forth?

mamaluj [8]

Answer:

Explanation:

F=ma

m=40000

a=4

5 0

3 years ago