1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Oxana [17]
2 years ago
11

What is the density of a 12-gram sample of zinc with volume of 8.4 cm3? pls hurry pls

Chemistry
1 answer:
Sindrei [870]2 years ago
8 0

AnswerIm telling your teacher "Ms.Byrd" your in 8th grade and go to berry middle?

Explanation:

You might be interested in
Coffee is<br><br> homogeneous.<br><br> heterogeneous.
Basile [38]
The answer is homogeneous
3 0
3 years ago
Do the number of atoms change in a chemical reaction?<br> I will give brainliest
padilas [110]

Answer:

No.

Explanation:

The reason comes the <em>Law of Conservation of Mass</em>.

In an ordinary chemical reaction, <em>you cannot create or destroy atoms</em>.

So, you must have as many atoms at the beginning of a reaction (in the reactants) as at the end (in the products)

We use this principle to balance chemical equations.

For example, the equation for the formation of water from hydrogen and oxygen is

2H₂ + O₂ ⟶ 2H₂O

There are four atoms of H and two of O both before and after the reaction.

5 0
2 years ago
Is there a difference between a homogeneous mixture of hydrogen and oxygen in a 2:1 ratio and a sample of water vapor?
Feliz [49]

Answer:

Yes

Explanation:

There is a difference between the homogeneous mixture of the hydrogen and the oxygen in a 2:1 ratio and the sample of the water vapor.

In the homogeneous mixture of the hydrogen and the oxygen which are present in the ratio, 2:1 , the elements are not chemically combined. They are explosive also as both shows their specific properties. They can be separated by physical means (Condensation, diffusion).

On the other hand, in water vapor, the two elements are chemically bonded in a specific mixture which cannot be separated via physical means. Water has its unique properties and they can be separated by chemical means only.

5 0
2 years ago
Can sulphur pentrate glass
Law Incorporation [45]
According to research, yes sulphur can penetrate glass.
7 0
3 years ago
The reaction for the decomposition of ammonia (NH3) can be written as shown. If a student starts with 21.7 g of ammonia, how man
Eddi Din [679]
3.88 grams will be released I believe
3 0
3 years ago
Read 2 more answers
Other questions:
  • Honors Stoichiometry Activity Worksheet
    14·1 answer
  • Given 1kg=2.20 lbs, how many kilograms are in 125 lbs?<br> (Metric conversion)
    14·1 answer
  • You carefully weigh out 11.00 g of caco3 powder and add it to 44.55 g of hcl solution. you notice bubbles as a reaction takes pl
    13·1 answer
  • a bird population only eats a certain type of plant. one year, flooding washes away most of these plants in an area. what will m
    9·2 answers
  • How do atoms form a new substance?
    7·1 answer
  • A basketball weighs approximately 1.35 kg. What is this mass in grams (g)?<br><br> step by step
    15·1 answer
  • Please help !!<br><br> Science question
    7·1 answer
  • I really need help please.
    8·1 answer
  • Which word identifies this part of a eukaryotic cell?
    14·1 answer
  • Burning something is always a chemical change that requires a fuel and
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!