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
stira [4]
3 years ago
6

Pls i have a chemistry test answers asap :'(​

Chemistry
1 answer:
Wittaler [7]3 years ago
6 0

Answer:

in the wire last one is right

You might be interested in
Some oxides are given below. (i)Na2O (ii)NO2 (iii) CO2 (iv) MgO a) Which are the basic oxides among these? b) What is the name o
umka2103 [35]
<h3>Further explanation</h3>

Basic oxides ⇒ metal(usually alkali/alkaline earth) +O₂

L + O₂ ⇒ L₂O

L + O₂ ⇒ LO

Dissolve in water becomes = basic solution

L₂O+H₂O⇒ 2LOH

LO + H₂O⇒ L(OH)₂

So the basic oxides : Na₂O and MgO

Na₂O + H₂O⇒NaOH

MgO +H₂O⇒Mg(OH)₂

The aqueous solution of CO₂(dissolve in water)

CO₂ + +H₂O⇒ H₂CO₃(carbonic acid)

5 0
3 years ago
Why must living things rely on thousands of catalysts for chemical reactions necessary for life?
just olya [345]
<span>It affects only one chemical reaction</span>
8 0
3 years ago
Read 2 more answers
element that is neither a non-metal nor a metalloid, and is characterized by thin, dark grey filaments exhibiting magnetic prope
Digiron [165]
Yes would you explain better
6 0
3 years ago
PLEASE HELP ME does a liquid have definite or indefinite shape.
andrezito [222]
Definite volume and indefinite shape
8 0
2 years ago
How many atoms of oxygen is in CO2?
rosijanka [135]

Answer: 2 atoms

Explanation: 2 in Co2 means 2 atoms

7 0
3 years ago
Other questions:
  • Which best describes the transfer of heat energy through conduction? A. Heat energy is transferred from molecule to molecule by
    8·1 answer
  • A volleyball player hit a ball with a mass of 0.25 kg. The average acceleration of the ball is 15.5 m/s². How much force did the
    14·2 answers
  • To squeeze a gas into a smaller space word
    8·2 answers
  • According to the ideal gas law, a 9.585 mol sample of krypton gas in a 0.8032 L container at 504.9 K should exert a pressure of
    5·1 answer
  • How many electrons would be found in the ion whose symbol is given below ? <br> N3-
    14·1 answer
  • Why don't siblings look exactly alike
    5·1 answer
  • What makes up the human body? (A)many different gases (B)carbon dioxide (D)many cells (C) minerals
    14·2 answers
  • What does it mean when a cell is multicellular? I only have 5 minutes so please help.
    10·1 answer
  • What is the chemical formula for Salt and hydrogen gas?
    11·1 answer
  • How many mL of a 1.48 M calcium hydroxide solution are needed to neutralize 36.0 mL of a 1.63 M hydrochloric acid solution
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!