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Zolol [24]
3 years ago
7

How many grams in 4.5 moles of H2O?

Chemistry
1 answer:
Margarita [4]3 years ago
3 0

the are 18.01528 grams

.....

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Orbitals which are equal in energy are referred to as ________.
mash [69]

Degenerate Orbitals

~ Meaning ~

Electron orbitals that have the same energy levels are called degenerate orbitals. When assigning electrons to orbitals in determining electron configurations, the Aufbau principle states that lower energy orbitals are filled before higher energy orbitals.

8 0
3 years ago
What’s the difference between directly<br> proportional and inversely proportional.
tatiyna

Answer:

Directly proportional:

A proportion of two variable quantities. when the ratio of two quantities are constant.

inversely proportional:

when one value decreases at the same rate that the other increases.

Explanation:

I hope this does help you, have a great day. :)

7 0
3 years ago
Hydrogen gas is explosive within the range of 4% - 75% v/v. Assuming that each student in your class produces 6 L of H2 and that
yan [13]
In order to compute this, we must first take a couple of assumptions of:
1) The laboratory size so we can calculate its volume
2) The number of students working in the lab so we know the total gas produced
Let the lab be
11 m × 9 m × 6 m
The volume then computes to be: 
594 m³
We know that 
1 Liter is 1 dm³
1 m = 10 dm
1 m³ = 1000 dm³
Therefore, the room volume in liters is:
594,000 Liters
Let there be 30 students in the laboratory
Total gas being produced:
6 × 30
= 180 Liters
This works out to be:
0.03% of Hydrogen by volume
Therefore, there is no risk of explosion given our assumption of size and students.
5 0
3 years ago
What does the direction and length of velocity vector indicate
I am Lyosha [343]
A Velocity Vector represents the rate of change of the position of an object. The Magnitude of a Velocity vector gives the speed of an object while the vector direction gives its direction.
5 0
3 years ago
If a bag of cement of mass 50 kg is acted upon by a force which produces acceleration 20m/ s calculate the force if you don't kn
dybincka [34]

Answer:

F=1000kg/m/s²

Explanation:

F=ma

F=50×20

F=1000

8 0
3 years ago
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