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
Genrish500 [490]
3 years ago
7

How many moles of magnesium are needed to react with 3.0 mol of O2?

Chemistry
1 answer:
labwork [276]3 years ago
6 0

Answer:

2 moles

Explanation:

You might be interested in
If there is a 2 kg ball with the same kinetic energy which one will be moving faster
Andrew [12]

Answer:

If you double the mass of an object, you double the kinetic energy. If you double the speed of an object, the kinetic energy increases by four times. The word "kinetic" comes from the Greek word "kinesis" which means motion. Kinetic energy can be passed from one object to another in the form of a collision.

Explanation:

6 0
3 years ago
Where was all the hydrogen in the universe formed?
Maslowich
The low-mass elements, hydrogen and helium, were produced in the hot, dense conditions of the birth of the universe itself. The birth, life, and death of a star is described in terms of nuclear reactions. The chemical elements that make up the matter we observe throughout the universe were created in these reactions.
5 0
3 years ago
A scientist wants to predict the effect of rise of global air temperature on sea level around the world which method a controlle
Verizon [17]

A scientific model is a simplified version of some phenomenon that takes place in natural systems. A scientific model can be visual (flow charts), graphical, conceptual, or mathematical. These models are used to make predictions about how a set of conditions would change the present scenario in future. Scientific models can explain how the ongoing changes in the environment can show long term affect on our planet like the climate change. Therefore, a scientific model can be used to explain the phenomena like the effect of global air temperatures on the mean sea level around the world.

6 0
3 years ago
Which substance produces hydroxide ions in solution?
Olegator [25]

Answer:

An Arrhenius Base

Explanation:

The definition of this is a base that is a hydroxide ion donor.

8 0
3 years ago
Many organisms in an ecosystem copete with each other for resources. What might different species of trees in a forest ecosystem
sineoko [7]
Territory and energy sources
4 0
3 years ago
Read 2 more answers
Other questions:
  • Chromic acid (H2CrO4) is an acid that is used in ceramic glazes and colored glass. The pH of a 0.078 M solution of chromic acid
    11·1 answer
  • Click in the answer box to activate the palette. Use the half-reaction method to balance the following equation in acidic soluti
    8·1 answer
  • What evidence exists to support the idea that the composition of ocean water includes dissolved oxygen?
    9·2 answers
  • Calculate the molar mass of CaCOH
    15·1 answer
  • Determine the molarity for the fixer Sodium carbonate decahydrate (I dissolved 127.62 grams of sodium carbonate for every 4 lite
    13·1 answer
  • What is the maximum number of electrons that can occupy the d sublevel?
    6·2 answers
  • Find the block labeled ? in Figure 2. What is its atomic number? How many valence electrons does it have? Which of the elements
    15·2 answers
  • A trait that can be modified by diet and lifestyle is one’s lifespan<br><br> True or False?
    5·2 answers
  • Can someone help me please​
    9·1 answer
  • . The Henry's law constant for CO2 in water at 298 K
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!