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
rodikova [14]
3 years ago
15

Question 5(Multiple Choice Worth 3 points)

Chemistry
1 answer:
Katarina [22]3 years ago
4 0

Answer:

\sqrt{ | {o2}^{2} | }  \times \frac{?}{?}  \sqrt[?]{?}  \times \frac{?}{?}  \sqrt[ |?| ]{?}  \sqrt{?}  \times  \frac{?}{?}

Explanation:

exactly

You might be interested in
How does an object become negatively charged?
Vadim26 [7]

An object becomes negatively charged when it gains electrons, because electrons have a negative charge.

3 0
3 years ago
Read 2 more answers
4. Calorimetry can be used to determine the specific heat capacity of different substances (not just metals). Using the online c
olya-2409 [2.1K]

Answer:

the specific heat capacity of ethanol is 2.4608 J/g°C

The variation in the final temperature is due to the rate of heat lost. Calorimeters do not dissipate or absorb energy

Explanation:

the solution is in the attached Word file

Download docx
8 0
2 years ago
Using solubility guidelines, predict whether each of the following compounds is soluble or insoluble in water.
seraphim [82]
<span>1. MgBr2

Soluble.

Rule: all the binary compounds of the group 17 (different to F) with metals are solubles, except those formed with Ag, Hg (I) and Pb.

2. PbI2

Insoluble.

Rule: it is one of the exceptions stated in the rule above.

3. (NH4)2CO3

Soluble.

Rule: salts containing NH4(+) are soluble.

4. ZnSO4

Soluble

Rule: </span><span>This salt is not an exception to the rule that most sulfate salts are soluble. Important exceptions to this rule include BaSO4, PbSO4, Ag2SO4 and SrSO4

5. Sr(OH)2

Soluble (slightly soluble).

Rule: </span><span>Hydroxide salts of Group II elements (Ca, Sr, and Ba) are slightly soluble</span>
6 0
3 years ago
Read 2 more answers
5.14 x 1023 ions NaCl to Moles
Alex787 [66]

Answer:

2 moles

Explanation:

For a mole NaCi, we have a mole of sodium ion and a mole of chloride.

3 0
2 years ago
How are the number of protons represented in the periodic table?
Sav [38]

Answer:

The atomic number represents the number of protons

Explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • While a match burns what type of change occurs?
    14·2 answers
  • What is gravity the primary source for ?
    9·2 answers
  • A sample of gas has an initial volume of 25 L and an initial pressure of 3.5 Pa. If the pressure changes to 1.3 Pa, find the new
    10·1 answer
  • Al + Ni(NO3)2 + Al(NO3)3 + Ni
    10·1 answer
  • iodid ion is oxidized to hypoiodite ion by permanganate what is the ratio of hydroxide ions to iodide ions in balanced equation
    12·1 answer
  • Please help me solve this USING DIMENSIONAL ANALYSIS! :
    14·1 answer
  • A Punnett square is used to _______.
    5·2 answers
  • How many particles are in 2.4 moles of carbon dioxide
    5·1 answer
  • Denise heard that little children will pick food based on color. So she offered 100 kindergarteners colored mashed potatoes for
    11·1 answer
  • Molecules illustrating this type of bond include the gases H2, N2, O2, and all the diatomic _____ molecules.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!