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
strojnjashka [21]
2 years ago
11

You are presented with a mystery as part of your practical experiment. You have a solution of Pb(NO3)2

Chemistry
1 answer:
shusha [124]2 years ago
7 0
Ho123 right I’m sorry of I’m wrong
You might be interested in
Need help balancing equations please.
densk [106]

Answer:

A, 4,3,2

B, 1,1,2

C, 1,1,1,2

3 0
3 years ago
How do you calculate the number of moles in CO2
gogolik [260]

Answer:

The number of molecules in a mole (known as Avogadro's constant) is defined such that the mass of one mole of a substance, expressed in grams, is equal to the mean molecular mass of the substance. The molecular mass of CO2 = 12+2x16 = 44, so the mass of a mole of CO2 is approximalty 44 grams

Explanation:

3 0
3 years ago
What is a similarity between wind and water?
labwork [276]
They are both sources of power for objects that people use.
5 0
3 years ago
Why are group 1 elements more reactive than group 2 elements?
kaheart [24]
Less reactive than Group<span> I </span>elements<span>. The reasoning for this is because it is </span>more<span> difficult to lose two electrons compared to losing just </span>one<span> electron. They mostly React with water to form alkaline solutions. ...Now This is because the smaller an atom the closer the outer electrons are to the nucleus.</span>
3 0
3 years ago
Read 2 more answers
How much heat is needed to change the temperature of 5g of water from 20 oC to 37 oC?
Dafna1 [17]

Answer:

The answer to your question is Q = 355.64 J

Explanation:

Data

Heat = Q = ?

Temperature 1 = T1 = 20°C

Temperature 2 = T2 = 37°C

mass = m = 5 g

Specific heat = Cp = 4.184 J/g°C

Formula

Q = mCp(T2 - T1)

-Substitution

Q = (5)(4.184)(37 - 20)

-Simplification

Q = (5)(4.184)(17)

-Result

Q = 355.64 J

5 0
3 years ago
Read 2 more answers
Other questions:
  • H3c6h5o7(aq) + 3nahco3(aq) → 3co2(g) + 3h2o(l) + na3c6h5o7(aq) calculate the number of grams of baking soda (nahco3; molar mass
    10·1 answer
  • Consider an exceptionally weak acid, HA, with a Ka = 1x10 -20 . You make a 0.1M solution of the salt Na
    5·2 answers
  • What is the mass of 5.30×1021 platinum atoms?
    9·1 answer
  • Special substances in cells that absorb or release hydrogen ions to keep the ph value constant are called
    8·1 answer
  • I need help with these two
    7·1 answer
  • What are two reasons a common measuring system is important? Make sure you answer in complete sentences.
    11·1 answer
  • Two reasons why scientists create models to study atoms
    13·1 answer
  • (( ~ Please help me ~ ))
    13·1 answer
  • What are the products of <br> C6 H12 + 9O2 <br> ?
    5·1 answer
  • Approximately 30% of the earth’s fresh water is stored in– A lakes. B streams. C groundwater. D living things.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!