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
Ann [662]
2 years ago
10

PLEASE HELP 50 POINTS

Chemistry
2 answers:
stepladder [879]2 years ago
4 0
It’s c add the side
makkiz [27]2 years ago
4 0
It’s C because u can see it’s 7 that mean if it’s was 1 the answer ganna be D
You might be interested in
Which compound is classified as a hydrocarbon? A) butanal B) butyne C) 2-butanol D) 2-butanone
fenix001 [56]

Answer:

butyne

Explanation:

alkane, alkene, and alkyne are all examples of hydrocarbons.

butyne = alkyne

7 0
3 years ago
Is a burning log an exothermic or endothermic event if the log is the system?
denpristay [2]
It would be endothermic because the log is in the system.
6 0
3 years ago
If a solution has a pH of 2, what is the hydroxide ion concentration?
murzikaleks [220]

Answer:

A

Explanation:

14=pH + pOH

pOH= 14 - 2

pOH= 12

pOH= -log[OH]

[OH]= 10^-12

=1×10^-12

5 0
1 year ago
Question.2
fiasKO [112]

Answer:i dont know the answer

3 0
3 years ago
The atomic mass of an element is found by which of the following methods?
Lera25 [3.4K]
On the periodic table it is the number on the bottom of the element. 
<span>If you know the amount of neutrons you can add it to the number of protons to find the atomic mass NUMBER, which is a good approximate of the atomic mass. </span>
8 0
3 years ago
Other questions:
  • Which item is made from an alloy? A. steel tray B. glass plate C. credit card D. copper wire
    10·2 answers
  • What are the characteristics of smooth muscle?
    15·2 answers
  • 1.) 3.4 moles Magnesium are mixed with 5.6 moles of Hydrochloric Acid. How many moles of Hydrogen gas are produced?
    8·1 answer
  • Which type of equilibrium exists in a sealed flask containing Br2(ℓ) and Br2(g) at 298 K and 1.0 atm?(1) static phase equilibriu
    14·1 answer
  • Water molecules are ____________ because the hydrogen atoms are positively charged on one end and the oxygen atoms are negativel
    11·1 answer
  • What<br>was the initial volume of the hydrogen in cm3?​
    6·2 answers
  • A chemical reaction has two elements as reactants. Which type of reaction might occur
    14·1 answer
  • If you push a crate with 50N of force for 10 meters in 5 seconds how much power dis u use​
    5·2 answers
  • March
    15·1 answer
  • Who wnata to date over snap we show what ever we want I mean what ever im 13, 14 is the oldest I can go.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!