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
RoseWind [281]
3 years ago
12

A weighed piece of magnesium ribbon is added to a dried crucible, which is reweighed and heated in air to form the compound MgO.

The crucible is cooled and reweighed to find the mass of MgO. Which error could lead to a mass percentage of magnesium that is too low?
Chemistry
1 answer:
olga nikolaevna [1]3 years ago
4 0

Answer:

One of the errors for low percentage of magnesium could be because not all the magnesium may have reacted.

Explanation:

During the heating process, if the magnesium have not reacted completely, it can lead to low percentage of magnesium in the oxide formed. The product may still look a bit greyish rather than whitish after the heating process.

You might be interested in
For most substances,the distance between particles is furthest when the substance is?
valentinak56 [21]
Im not positive but i think it is When it is a gas?
3 0
3 years ago
Should the United States continue to develop/use nuclear power? Why or why not?
Vlad [161]

Answer:

Yes

Explanation:

because they should

5 0
3 years ago
Energy is released when the nucleus of an atom splits and two smaller atoms are formed. What is the name of this process?
Svetllana [295]

Explanation:

It's (D), nuclear fission................

5 0
3 years ago
What is specific heat capacity ​
LenaWriter [7]

Answer:

<u>A</u>

Explanation:

3 0
2 years ago
Read 2 more answers
The decomposition of a compound at 400⁰C is first order with half-life of 1570 seconds. what fraction of an initial amount of th
kirill115 [55]

Answer: After 4710 seconds, 1/8 of the compound will be left

Explanation:

Using the formulae

Nt/No = (1/2)^t/t1/2

Where

N= amount of the compound  present at time t

No= amount of compound present at time t=0

t= time taken for N molecules of the compound to remain = 4710 seconds

t1/2 = half-life of compound  = 1570 seconds

Plugging in the values, we have  

Nt/No = (1/2)^(4710s/1570s)

Nt/No = (1/2)^3

Nt/No= 1/8

Therefore after 4710 seconds, 1/8 molecules of the compound will be left

5 0
3 years ago
Other questions:
  • Dough to which potassium bromate has been added rises better, producing a lighter, larger volume loaf.
    5·1 answer
  • The hydrogen and oxygen atoms of a water molecule are held together by ________ bonds. The hydrogen and oxygen atoms of a water
    6·2 answers
  • What’s the density of a fluid if a 5.00 ml of urine sample from a patient suffering from symptoms resembling those of diabetes m
    14·1 answer
  • According to Charles's law, under which conditions will the volume of a given amount of gas be proportional to temperature?
    10·2 answers
  • What is the lowest point of a wave called?<br><br> Amplitude<br> Crest<br> Frequency<br> Trough
    7·2 answers
  • On approximately what day in 28-days cycle is the egg released from the ovary
    14·1 answer
  • Plzzzzzzzzzzzzzzzz help
    10·2 answers
  • Calculate the pH for the following buffer solutions with steps.
    6·1 answer
  • What is the molar mass of K?
    7·1 answer
  • Help pls you get 22 points if you answer me
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!