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
Arlecino [84]
2 years ago
5

Đốt cháy hết 9g kim loại magie Mg trong không khí tích tụ được 15g hợp chất magie oxit MgO. Biết rằng magie cháy là xảy ra phản

ứng với khí O2 trong không khí
a, Viết công thức về khối lượng của phán ứng xảy ra
Tính khối lượng của khí oxi phản ứng
Chemistry
1 answer:
vfiekz [6]2 years ago
5 0

Answer:

jijji[ojooooooooooooooooooooooooo

Explanation:

kjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj

You might be interested in
Which overall chemical equation is obtained by combining these intermediate equations?
Juli2301 [7.4K]
The common substance among the product(s) of the first equation and among the reactant(s) in the second equation is H2O(g). We can eliminate that as an intermediate. The overall chemical equation will thus be:

CH4(g) + 2O2(g) → CO2(g) + 2H2O(l),

which is the first answer choice.

In essence, all you’re doing here is swapping water vapor for liquid water.
5 0
2 years ago
I'll give you a cookie
Llana [10]

Answer:

B. Is the correct answer :) i hope this helps!!

Explanation:

brainliest please?

8 0
3 years ago
Read 2 more answers
When a person says "I think that between an elephant and a monkey that jumped off the cliff, both of them will hit the ground at
Fofino [41]

Option A is correct. When a person says "<em>I think</em><em> that between an elephant and a monkey that jumped off the cliff, both of them will hit the ground at the same time."</em> the person is stating his Hypothesis

A hypothesis is an explanation proposed or given based on a piece of evidence that is limited.

It is useful at the beginning of an investigation because it serves as the building block for an impending fact or law.

From the statement, we can see that the person is not too sure of the information provided since he "thinks". <em>He said, </em><em>"I think</em><em> that between an elephant and a monkey that jumped off the cliff, both of them will hit the ground at the same time." </em>

<em />

Hence we can conclude that the person is stating a hypothesis.

Law and theory are incorrect because they are already proven facts.

Learn more here: brainly.com/question/6907236

6 0
2 years ago
Read 2 more answers
Investigate Weathering and Erosion 1. Describe at least one part of the experimental procedure that you thought was essential to
zvonat [6]

Answer:

Controlling the environment is the most key procedures for getting good results.

Explanation:

The control environment for an experiment is the essential part for getting good results. In control environment, there is no or less chances of disruption

from the external environment which can cause the results of the data more acceptable. So the scientists prefers laboratory for performing experiment as compared to outer environment. So in my opinion for getting better results, the control environment is the most necessary experimental procedure.

4 0
2 years ago
Read 2 more answers
A student used a vernier magnetic field sensor to measure the strength of the magnetic field generated by a bar magnet. at which
yaroslaw [1]

The position is the strength of the magnetic field strongest is is the place where the magnetic field leaves, being point A.

<h3>What generates a magnetic field?</h3>

When an electrically charged particle moves, it creates a magnetic field. According to the laws of electromagnetism, this magnetic field originates from the variation of the electric field strength.

In the region of the poles we see that the lines of magnetic induction are closer to each other, therefore, we consider that close to the poles the magnetic field is more intense.

See more about magentic field at brainly.com/question/14848188

#SPJ1

5 0
1 year ago
Other questions:
  • Use the Periodic Table of the Elements to answer
    10·1 answer
  • Which equation correctly defines Hooke's law?
    10·2 answers
  • A powder contains FeSO4⋅7H2OFeSO4⋅7H2O (molar mass=278.01 g/mol),(molar mass=278.01 g/mol), among other components. A 2.605 g2.6
    10·2 answers
  • What is the pH of a solution if the [H3O+] is 6.7*10-4m?
    12·1 answer
  • The time necessary for the decay of one- half sample of a radioactive substance is a _____. mass defect daughter half life nucli
    11·2 answers
  • The process n01 → p11 + β−10 n 0 1 → p 1 1 + β - 1 0 represents a(n) _____.
    10·1 answer
  • Here is a multiple choice I need help on:
    13·1 answer
  • Can someone help me with my chemistry homework please???
    14·1 answer
  • Help pls!!
    13·1 answer
  • The international space station (ISS) orbits in this layer of Earth's atmosphere.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!