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
Inessa05 [86]
2 years ago
12

Is anyone willing to help me with my chemistry?):

Chemistry
1 answer:
Neporo4naja [7]2 years ago
3 0
I’m taking chem rn in 9th grade so I might be able to help. What’s the question?
You might be interested in
Why males on average have VO2max than females?
katrin [286]
The average sedentary male will achieve a VO2 max of approximately 35 to 40 mL/Kg/min. And the average sedentary female will score a VO2 max of between 27 an 30 mL/Kg/min.
6 0
2 years ago
When cooking frozen cheese ravioli, the directions say to put the 255 grams of filled pasta into 3 quarts of boiling water. why
kondaur [170]
<span>When cooking frozen cheese ravioli, you should use three quarts of water instead of one so that the raviolis have room to move around in the boiling water and so that while they are moving around, they will not stick to each other or the pan.</span>
8 0
2 years ago
In hydrate ratio does the mass of salt come first or does the mass of water
frutty [35]
CuSO4 *5H20
In the formula of the hydrate, on the first place is the salt and on the second of water. so in ration on the first place should be salt also.
6 0
3 years ago
A 135-g sample of a metal requires 2.50kj to change its temperature from 19.5 degrees Celsius to 100.0 degrees Celsius. What is
PolarNik [594]
Q = m x c x ΔT

2500 = 0.135 x C x 80.5

2500 = 10.8765 x C

C = 230.043 J/Kg.K

hope this helps
7 0
3 years ago
Read 2 more answers
Iodine 131, cesium 137, and strontium 90 are all considered isotopes. What are isotopes?
Nitella [24]

Answer:

Isotopes are variants of an element, where the number of neutrons is different but its number of protons stay the same.

Explanation:

If the number of protons had changed then it would just be a different element.

Electron number changing simply adds charge to the atom, and doesn't change it or anything.

PLS GIVE BRAINLIEST

3 0
2 years ago
Read 2 more answers
Other questions:
  • Banks channel money from savers to borrowers to _____.
    6·2 answers
  • What kinds of materials can laboratories test?
    12·1 answer
  • At the end of mitosis the cells produced are identical to each other is it True or False
    14·2 answers
  • Someone please help.
    14·1 answer
  • A student uses 0.0821 L• atm/mol • K as the value of the gas constant. What is most likely true about the variables in the ideal
    8·1 answer
  • The temperature of a sample of gas in a steel tank at 0.30 ATM at 25 Celsius if the pressure W20.59 ATM what would be the final
    9·1 answer
  • In the oxidation of iron; how many grams of iron (III) oxide will be produced from 6.20 mol of Fe?
    6·1 answer
  • The following table lists molecular weight data for a polypropylene material. Molecular Weight Range (g/mol) xi wi
    6·1 answer
  • Soo Hwan found a flowering plant at school and used a classification key to help him classify the plant. The flowers of the plan
    12·1 answer
  • What are the rows of the periodic table called?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!