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
kondor19780726 [428]
3 years ago
12

Uranium has 146 neutrons; therefore its mass number is which of the following?

Chemistry
2 answers:
Vilka [71]3 years ago
5 0
Its <span>234or238  hope dis helped</span>
Artemon [7]3 years ago
3 0
238.0289 (make sure you like my comment thank u )
You might be interested in
How many liters of salt solution will be needed to provide 15 grams of salt if the concentration of the solution is 50 g/l?​
asambeis [7]

Answer:

.30 l

Explanation:

15g/50g/l= .3l

6 0
2 years ago
Why is it important for scientist to be repeatable?
Margarita [4]
It is important for scientists to be repeatable so it lets them see patterns and trends in their results. This is affirmative for their work, making it stronger and better able to support their claims. This helps maintain integrity of data.
3 0
3 years ago
Read 2 more answers
Equation for hydrogen
Sergio [31]
The chemical equation for Hydrogen is just H
5 0
3 years ago
Give the products of the reaction of butanal, with: (a) sodium borohydride, in methanol (b) hydrogen cyanide, with catalytic cya
miss Akunina [59]

Answer:

Answers are given below

Explanation:

(a) Aldehyde groups are reduced by sodium borohydride in methanol to give alcohol.

So, butanal produces butanol on reaction with sodium borohydride in methanol.

(b) Aldehyde forms cyanohydrin when they are treated with HCN with catalytic cyanide.

(c) Aldehydes are oxidized by potassium dichromate in dil. sulphuric acid to produce carboxylic acid.

(d) Aldehyde produces acetal with methanol and a trace amount of acid catalyst.

(e) Aldehyde gives condensation reaction with CH_{3}CH_{2}NH_{2} to produce imine.

Structures of products for the given reaction has been shown below.

4 0
3 years ago
Which reason best explains why carbon is able to form macromolecules?
Tanya [424]
Carbon atoms are extremely small and are one of the only atoms that are structurally stable enough to form various different kinds of macromolecules.
6 0
3 years ago
Other questions:
  • Isoflurane, shown here, is a common inhalation anesthetic. write its molecular formula and calculate its percent composition by
    7·1 answer
  • HOW MANY M ARE IN 3.0X105 MM?
    7·1 answer
  • what type of bond is involved when a metal from groups 1 or 2 bond with a nonmetal from groups 16 or 17
    11·1 answer
  • Why couldn't you substitute 3m H2SO4 for concentrated HNO3 when oxidizing copper?
    14·2 answers
  • What is the basic definition of carbohydrates
    9·2 answers
  • Sodium carbonate + hydrochloric acidsodium chloride + carbon dioxide + water
    10·1 answer
  • How much heat is given off when 869 g iron bar cools from 94 degrees celsius to 5
    11·1 answer
  • What were some of the “old” ideas that Isaac Newton learned in school?
    10·2 answers
  • How many equivalents are present in 13.5g of Al3+
    7·1 answer
  • The stem of a plant is made of several types of tissue that work together.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!