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
nika2105 [10]
3 years ago
10

True or false water and salt are examples of elements

Chemistry
2 answers:
Julli [10]3 years ago
6 0

Answer:

true jdjdhrohrjrhejdhrirhehejfhirhfjdudhdirje

Ludmilka [50]3 years ago
3 0
True lolololololololol
You might be interested in
Be sure to answer all parts. identify and label the species in each reaction. (a) nh4+(aq) + h2o(l) ⇌ nh3(aq) + h3o+(aq) acid ba
quester [9]
A)

NH⁴⁺(aq) + H₂O(l) ⇌ NH₃(aq) + H₃0⁺<span>(aq)

- acid </span>a species that able to donate (H+): NH⁴⁺
- base a species that is able to accept a proton (H+): H₂O
- conjugate base a species formed when acid donates a proton (H+): NH₃
- conjugate acid a species formed by a base accepts a proton (H+): H₃0⁺

b)

CN⁻(aq) + H₂O(l) ⇌ HCN(aq) + OH⁻(aq)

- base a species that is able to accept a proton (H+): CN⁻
- acid a species that able to donate (H+): H₂O
- conjugate acid a species formed by a base accepts a proton (H+): HCN
- conjugate base a species formed when acid donates a proton (H+): OH⁻

5 0
3 years ago
How much energy is transferred from a plant to an herbivore that eats it? A. 5% B. 10% C. 20% D. 90%
Tema [17]

Answer:

B. 10%

Explanation:

6 0
3 years ago
Describe the impact deforestation can have on species inhabiting those affected environment
irina [24]

Answer:

In heavily deforested areas, soil erosion and nutrient runoff are common after a rainfall. Soil erosion tends to be greater in drier, more mountainous areas, where there is less vegetation to prevent the movement of soil and to absorb the nutrients

Explanation:

5 0
3 years ago
Read 2 more answers
2. Explain what an isotope is and give two important physical properties of isotopes that make them useful in biological researc
katrin [286]

Answer:

<h2>isotope is a variants of a particular chemical element which differ in neutron number, and consequently in nucleon number.All isotopes of a given element have the same number of protons but different number of neutrons in each atom.</h2>

<h2>The 2 important physical properties of isotope is</h2>

<h2>1.<u>M</u><u>e</u><u>l</u><u>t</u><u>i</u><u>n</u><u>g</u><u> </u><u>Points</u></h2><h2>2.<u>B</u><u>o</u><u>i</u><u>l</u><u>i</u><u>n</u><u>g</u><u> </u><u>Points</u></h2>
8 0
3 years ago
A very small electronegativity difference leads to a:
noname [10]
Non polar covalent bond
6 0
2 years ago
Other questions:
  • The molecular mass of octane is 114.22 g/mol. What is the mass of 22.05 mol of octane? 5.180 g 22.05 g 114.22 g 2,518 g
    13·2 answers
  • Calculate the density, in g / mL , of a liquid that has a mass of 0.125 g and a volume of 0.000285 L
    14·1 answer
  • Which statements are scientific statements
    9·1 answer
  • Which of the following measurements is expressed to three significant figures? 7.30 × 10–7 km 0.007 m 7077 mg 0.070 mm
    13·1 answer
  • What are the three factors that determine the type of igneous rocks that forms?
    14·1 answer
  • 24 POINTS!!!!!!!
    11·2 answers
  • Why does ice float?
    6·2 answers
  • Which of the following molecules contains polar covalent bonds?
    15·1 answer
  • PLEASE HELPPPP ASAPPPPPP!!!!!!!
    11·1 answer
  • How many moles of oxygen are necessary to generate 28 moles of water, according to the following equation: 2H2+O2→2H2O
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!