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
Alex_Xolod [135]
3 years ago
10

Asap help It's very important

Chemistry
2 answers:
MArishka [77]3 years ago
7 0

Answer:

The answer is B

Explanation:

Blinking is involuntary but also can be done voluntarily.

Volgvan3 years ago
3 0

Answer:

b. blinking of eyes

Explanation:

You might be interested in
A spherical balloon initially contains 25m3 of helium gas at 20o C and 150 kPa. A valve is now opened and the helium is allowed
Tpy6a [65]

Find the attachment for complete solution

6 0
3 years ago
Which of the following elements is the most reactive?
Zepler [3.9K]
Sodium. It reacts with most of every other element.
6 0
3 years ago
Read 2 more answers
What is an acid and also what is a base​
expeople1 [14]

Answer:

An acid is a substance that donates protons (in the Brønsted-Lowry definition) or accepts a pair of valence electrons to form a bond (in the Lewis definition). A base is a substance that can accept protons or donate a pair of valence electrons to form a bond.

Hope it helps!!!

3 0
2 years ago
Calculate the pH of a solution with a [H 3 O + ]=5.6x10 -9 M.
Gre4nikov [31]

Answer:

8.3

Explanation:

pH is the measure of the H+ or H30 (they r the same thing) ions in a solution. it is equal to -log[H+]. [H+]=  Molar concentration of H+ ions.

6 0
3 years ago
How are zinc and sodium alike?
mamaluj [8]

Answer: both are solid at room temperture

Explanation:

5 0
3 years ago
Other questions:
  • Copper has two isotopes. The one isotope (Copper-63) has an abundance of 69.2% and a mass of 62.930 amu. The second isotope (Cop
    12·1 answer
  • A car travels with a speed of 91.4 kilometers per hour (km/hr). Convert this speed to meters per second (m/s).
    15·1 answer
  • Electricity is the __of charged<br> particles<br> A movement<br> B collection<br> C build up
    15·1 answer
  • What are three concepts that you may explore while learning in a physical science course?
    11·1 answer
  • What is the concentration of h+ ions in a 2.20 m solution of hno3?
    12·1 answer
  • How do the nuclides 16 8o and 15 8o differ?
    6·1 answer
  • What is the volume, in liters, of a 0.2 M solution containing 8.5 grams of AgNO3?
    5·1 answer
  • If an atom of Phosphorous has 17 neutrons, what is its mass number?
    15·1 answer
  • There is no overall change in reactants and products whenever a chemical reaction a. goes in just one direction. b. goes in two
    13·1 answer
  • T or F? Potential energy is limited to electromagnetic, mechanical, and nuclear energy.
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!