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
erastova [34]
3 years ago
12

What ion do most basic compounds contain? A. H2O B. H2O- C. OH- D. H-

Chemistry
1 answer:
mel-nik [20]3 years ago
4 0
C is the correct answer I think
You might be interested in
Why a neutral atom has the same number of protons and electrons
Alex777 [14]

Explanation:

When an atom has an equal number of electrons and protons, it has an equal number of negative electric charges (the electrons) and positive electric charges (the protons). The total electric charge of the atom is therefore zero and the atom is said to be neutral. ... Chemically, we say that the atoms have formed bonds.

5 0
3 years ago
Your theoretical yield is 81.2 grams, and your actual yield is 78.2 grams. What is the percent yield?
ioda

Answer:

66.2

Explanation:

3 0
2 years ago
lighting a match results in light and heat since energy was not created by the match what transformation took place
Contact [7]

It is a chemical reaction


7 0
3 years ago
Read 2 more answers
The specific heat of liquid ethyl alcohol is 2.42 j/g C and its density of 0.7893 g/mL. A piece of solid sliver (specific heat 0
Doss [256]
MAg*cAg*(T1-T)=ρalc*Valc*calc*(T-T2)
mAg=?(g)
cAg=0.24J/gC
T1=95
T=23.5
Valc=25.6ml
ρalc=0.7893g/ml
T2=19.27
use wollframalpha or calculator
6 0
2 years ago
Read 2 more answers
What are other portals of entry besides needlesticks?
aivan3 [116]

Answer:

Inhalation (via the respiratory tract)Absorption (via mucous membranes such as the eyes) Ingestion (via the gastrointestinal tract)

Explanation:

The opening where an infectious disease enters the host's body such as mucus membranes, open wounds, or tubes inserted in body cavities like urinary catheters or feeding tubes.

6 0
2 years ago
Other questions:
  • When are reactions always spontaneous?
    8·1 answer
  • The diagram shows changes of state between solid, liquid, and gas. The atoms of a substance gain energy during a change of state
    15·2 answers
  • Elemental analysis of caffeine yields the following results: 49.49% C, 5.15% H, 28.87% N, and the remainder is O. What is the mo
    14·1 answer
  • An 8 N force is applied to a 2 kg object. What is the magnitude of the object's acceleration? A. 0.25 m/s² B. 4 m/s² C. 6 m/s² D
    7·2 answers
  • Molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. This is a statement of __________.A) the law of multiple
    15·1 answer
  • C+ O2 --&gt; CO2 +60kJ <br> is the reaction exothermic or<br> endothermic?
    5·1 answer
  • Henry is in the community investigating sources of chemical energy for his science experiment. Select the best examples of chemi
    5·2 answers
  • Brainiest and 10 Points<br> Which has a HIGHER frequency?<br> A. Visible<br> B. Ultraviolet
    9·1 answer
  • How many atoms are in the following compound? 5Fe2(CO3)3 *
    10·1 answer
  • the hcp ordered 0.2 mg of methylergonovine, and the vial contains 0.8 mg/ml. how many ml of methylergonovine should the nurse dr
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!