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
Tanya [424]
3 years ago
6

What is velocity?

Chemistry
1 answer:
Airida [17]3 years ago
7 0
A. how fast something moves in a specific direction
You might be interested in
Which is the strongest reducing agent in the periodic table?
ycow [4]
"Caesium" is the strongest reducing agent in Periodic table.

Hope this helps!
8 0
3 years ago
Read 2 more answers
Which iconic compound is used as a building material?
vredina [299]

Answer:

Magnesium oxide is an ionic compound that can be used as a building material. MO2 is actually a raw material that used in producing cement for building houses, buildings, and other constructions.

Explanation:

5 0
3 years ago
Which element is classified as an alkali metal?<br> Rb<br> Sr<br> Zr<br> Cl
qwelly [4]
Hi there.

Alkali metals are known as the group 1 elements.

When we know this, we just have to look to group 1 of the periodic table.

Rb (Rubidium) is in group 1; it is classified as an alkali metal.

~
4 0
3 years ago
Read 2 more answers
An atom in the ground state has seven valence electrons. This atom could be an atom of which element?
Igoryamba
The atom that has 7 valence electrons is A. fluorine.
It is in the halogens group. 
It needs 1 more electron to become stable, therefore, it is highly reactive. 
4 0
4 years ago
Read 2 more answers
Why are the optimum conditions for the Haber process a temperature of 450°C and pressure of 200 atmospheres?
Novay_Z [31]

Answer:

See explanation.

Explanation:

Hello,

Haber process is defined as the widely acknowledged productive process of ammonia by the reaction:

N_2(g)+3H_2(g)\rightleftharpoons 2NH_3(g)

Which is carried out in gaseous phase. Thus, by means of the Le Chatelier's principle, it is possible to know that its standard enthalpy of reaction is -45.90 kJ/mol (NIST webbook) for which it is an exothermic chemical reaction, for that reason less ammonia will be produced at high temperature, nonetheless, the temperature should not be too low since the reaction rate significantly decrease, therefore, the optimum found temperature is 450 °C.

Moreover, since there are more moles (3+1=4) at the reactants and less moles at the products (2), increasing the pressure of the reaction increases the yield of ammonia, nonetheless, higher pressures involve the purchasing of more expensive equipment to withstand the high-pressures, for that reason, the best found pressure has been set as 200 atm.

Best regards.

8 0
4 years ago
Read 2 more answers
Other questions:
  • "what are the half lives for uranium-235 and uranium-238?"
    12·1 answer
  • The more gravity pulls down on an object the less the object weighs true or false
    6·2 answers
  • How many nitrogen atoms are present in 0.150 mol of zn(no3)2?
    11·1 answer
  • What is the mass in gram of 1 atom of sodium(Na) ??
    5·1 answer
  • When making coordinate or line graphs, which axis is the y-axis?
    7·2 answers
  • A graduated cylinder contains 100.0 mL of
    12·1 answer
  • After she explains commensalism to her friend, Hailey tries to think of an example of it. Which of the following is an example o
    14·1 answer
  • Which substance is a mixtureWhich pure substance can be classified as an element
    12·1 answer
  • Differences in the moons and suns pull on different sides of earth cause _______
    11·1 answer
  • 1. A convex mirror makes virtual images that are always smaller than the object that creates the image. How might this be useful
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!