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
Step2247 [10]
4 years ago
13

How many hydrogen atoms are in 5 molecules of isopropyl alcohol

Chemistry
1 answer:
pychu [463]3 years ago
5 0
You have to double them
You might be interested in
Oxidation number of Mg3N2
Fudgin [204]

Answer:

n=-3

Explanation:

Mg = +2  

3(+2) + 2N = 0  

N = -3

8 0
3 years ago
Joan’s initial nickel (II) chloride sample was green and weighed 4.3872 g. After the dehydration reaction and removal of excess
ANEK [815]

Answer:

a) yes, it was an hydrate

b) the number of waters of hydration, x = 6

Explanation:

a) yes it was an hydrate because the mass decreased after the process of dehydration which means removal of water thus some water molecules were present in the sample.

b) NiCl2. xH2O

mass if dehydrated NiCl2 = 2.3921 grams

mass of water in the hydrated sample = mass of hydrated - mass of dehydrated = 4.3872 - 2.3921 = 1.9951 g which represent the mass of water that was present in the hydrated sample.

NiCl2.xH2O

mole of dehydrated NiCl2 = m/Mm = 2.3921/129.5994 = 0.01846 mole

mole of water = m/Mm = 1.9951/18.02 = 0.11072 mole

Divide both by the smallest number of mole (which is for NiCl2) to find the coefficient of each

for NiCl2 = 0.01846/0.01846 = 1

for H2O = 0.11072/0.01846 = 5.9976 = 6

thus the hydrated sample was NiCl2. 6H2O

4 0
3 years ago
What type of bonds exist in a molecule of water? Polar covalent bonds ionic bonds hydrogen bonds van der waals non polar covalen
Aleksandr [31]
Polar covalent bonds (because hydrogen and oxygen form polar bonds and are both nonmetals so it's covalent) and hydrogen bonds (because the water molecules are attracted to each other with partial charges, causing specific properties like surface tension).

So in my very bad drawing that I attached in case you're more a visual learner, the d- and d+ show the partial charges of hydrogen and oxygen (making it polar, as the electrons in the bond are more shifted towards oxygen, which is why oxygen has a negative sign) and the yellow dotted line show the hydrogen bonds.

7 0
3 years ago
A student places a small amount of water in a glass dish and then carefully places a small paperclip on the surface of the water
rosijanka [135]
Include: 
- Adding cleanser makes the paperclip fall through the water to the base of the dish. 
- Soap is a surfactant. 
- Surfactants lessen the surface pressure of a fluid. 
- The surface strain of water is the thing that upheld the paper cut.
3 0
3 years ago
Read 2 more answers
What starting matirials do cells need for cellular respiration
lawyer [7]
Oxygen and glucose and energy. <span />
3 0
3 years ago
Other questions:
  • What is this question in with the question tell me a funny joke cuz I'm having a bad day ​
    10·2 answers
  • Which change occurs when a barium atom loses two electrons?(1) It becomes a negative ion and its radius decreases.(2) It becomes
    14·2 answers
  • • What would you predict if you used a starch solution instead of the protein?
    12·1 answer
  • Clay has a negative charge. What (3) nutrients need by plants have a<br> positive charge?
    7·1 answer
  • The formula equation below represents a _________ reaction. CaO (s) H2O (l) → Ca(OH)2(l)
    8·1 answer
  • Which of the following best describes what happens when an ionic bond forms? A) two atoms come together and share electrons in o
    13·1 answer
  • Nylones are: a, amides b, polymides
    14·1 answer
  • Which of these statements is correct with respect to pH?
    13·2 answers
  • HELP PLEASE || TEN PTS WILL MARK BRAINLEST ||Reaction B could produce a substance with a pH of...
    6·1 answer
  • What is the mass if the weight is 410 N?Solution410/10=______kg
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!