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
Anon25 [30]
2 years ago
6

a fictitious element X is composed of 15.0% of the isotope X-51, 15.0% of the isotope X-52, and 70.0% of the isotope X-53. Estim

ate the atomic mass of element C
Chemistry
1 answer:
MatroZZZ [7]2 years ago
6 0
(0.15)(51) + (0.15)(52) + (0.7)(53)
=53 amu
You might be interested in
HELP.....From the information presented in the activity series of metals below (4 metals included), answer the following questio
san4es73 [151]

Answer:

a)there would be no reaction

Explanation:

The activity series of metals has many functions. The one applicable to this problem is that it can be used to determine whether a reaction will occur or not. Also, based on the positions of metals in the series, we can know how reactive a metal is compared to another.

In a single displacement reaction, a metal replaces another metal based on their position on the activity series. Metals that are higher in the series are generally more reactive than others below them and so will displace them.

 

Would aluminum replace magnesium to form a new compound or would there be no reaction?

Magnesium is higher than aluminum in the activity series. Therefore it is more reactive than aluminum. No reaction will occur.

6 0
2 years ago
Plz help me with 18 guys tysm!
kap26 [50]
A convergent boundary is when two plates push against each other. a transform boundary is when they slide past each other. both can couse mid ocean ridges.
5 0
2 years ago
The primary gas in a volocano is?
stiv31 [10]

Answer:

By far the most abundant volcanic gas is water vapor, which is harmless. However, significant amounts of carbon dioxide, sulfur dioxide, hydrogen sulfide and hydrogen halides can also be emitted from volcanoes

Explanation:

4 0
3 years ago
Read 2 more answers
What is the approximate percent by mass of oxygen in C2H4O2
kherson [118]

Answer:

Approximately 53.3  %.

Explanation:

Molar mass of C2H4O2

= 2 * 12.011 + 4 * 1.008 + 2 * 15.999

=  60.052

% oxygen = (31.998* 100) / 60.052 = 53.28 %

6 0
3 years ago
An atom of chlorine has several valence electrons in its
RUDIKE [14]
7 valence electrons in an atom

7 0
3 years ago
Other questions:
  • What is the ratio of [a–]/[ha] at ph 2.75? the pka of formic acid (methanoic acid, h–cooh) is 3.75?
    5·1 answer
  • Find the number of moles of water that can be formed if you have 210 mol of hydrogen gas and 100 mol of oxygen gas.
    15·1 answer
  • Which is an example of a chemical change?
    6·2 answers
  • Which is an example of an exothermic process?
    6·2 answers
  • 2. In the water cycle, lake water will do which​
    8·1 answer
  • PLEASE HELP ASAP FOR 25 POINTS!! :D
    13·1 answer
  • A d orbital can<br> hold ____ electrons.<br> A. 2<br> B. 6<br> C. 10<br> D. 14
    14·2 answers
  • Which element is most reactive among aluminium, boron, calcium and beryllium? Give reason.
    14·2 answers
  • The mole concept will most likely be used in
    13·1 answer
  • will mark brainlest 1) Now that you have studied the facts about the Severn River, you are ready to make a decision. What questi
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!