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
ddd [48]
3 years ago
13

State one difference in the physical properties of the isotopes 63Cu and 65Cu and explain why their chemical properties are the

same
Chemistry
1 answer:
kupik [55]3 years ago
5 0
Of the same element with different mass numbers are called isotopes 3) Isotopes have the same number of protons but different numbers of neutrons in their nuclei. ... The 63Cu isotope has 63 - 29 = 34 neutrons. The 65Cu isotope has 65 - 29 = 36 neutrons.
You might be interested in
Consider a solution that is 0.05 M HCl. Your goal is to neutralize 1 L of this solution (i.e. bring the pH to 7). You also have
Ilia_Sergeevich [38]

Answer:

The volume of NaOH required is - 0.01 L

Explanation:

At equivalence point ,

Moles of HCl = Moles of NaOH

Considering :-

Molarity_{HCl}\times Volume_{HCl}=Molarity_{NaOH}\times Volume_{NaOH}

Given  that:

Molarity_{NaOH}=5\ M

Volume_{NaOH}=?\ L

Volume_{HCl}=1\ L

Molarity_{HCl}=0.05\ M

So,  

Molarity_{HCl}\times Volume_{HCl}=Molarity_{NaOH}\times Volume_{NaOH}

0.05\times 1=5\times Volume_{NaOH}

Volume_{NaOH}=\frac{0.05\times 1}{5}=0.01\ L

<u>The volume of NaOH required is - 0.01 L</u>

3 0
4 years ago
How can the gravitational potential energy of an object be changed?
Aleksandr [31]

Answer:

Gravitational potential energy may be converted to other forms of energy, such as kinetic energy. If we release the mass, gravitational force will do an amount of work equal to mgh on it, thereby increasing its kinetic energy by that same amount (by the work-energy theorem).

Explanation:

7 0
3 years ago
What is the mass number of an isotope
makkiz [27]
<span>The mass number given on the periodic table is a weighted average of all the isotopes. You get the exact mass of an isotope by adding the protons(atomic number) to the number of neutrons in that isotope.</span>
8 0
3 years ago
Read 2 more answers
Write the correct answers.
Ilya [14]

Answer:

pour in hot water and It will disolve

7 0
3 years ago
Find the density of a brick that has a mass of 57 g and a volume of 12 ml
makkiz [27]

Answer:

4.75 or 4.8

Explanation:

density = mass / volume

57 / 12 = 4.75

from here you can leave it as is or round up.

hope this helps!!

3 0
3 years ago
Other questions:
  • How many grams of ammonia are produced when 1.0 mole of nitrogen reacts
    9·1 answer
  • 1. Which of these is the basic unit of mass?
    10·2 answers
  • Emily spills concentrated sodium hydroxide solution on her lab bench. What she should do first?
    13·1 answer
  • I NEED HELP FAST!!!!! Can you tell me about the difference between physical and chemical changes??? I have a DBA in a few minute
    9·1 answer
  • In a set of classic experiments performed in the early 1950s, Urey and Miller subjected an experimental system composed of H2, C
    5·1 answer
  • Please answer right this us due today please don't guess
    7·2 answers
  • How many moles of NaCl are contained in 50.0 mL of 2.50 M NaCl?
    9·1 answer
  • An object at a distance of 30 cm from a concave mirror gets its image at the same point. The focal length of the mirror is​
    6·1 answer
  • 9.45 g of liquid hexane (C6H14) is introduced into a 10.0 L vessel containing 13.15 atm of oxygen gas at 21ºC and ignited, yield
    14·1 answer
  • M1 = 3M M2 = 1.25M V1 = V1=.125L unkown What is V2?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!