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
sergeinik [125]
3 years ago
15

Can someone help me with this question?

Chemistry
1 answer:
Softa [21]3 years ago
8 0

Answer:

5 , I think. sorry if its wrong

You might be interested in
Give free 18 points again just answer yes or no<br> is einstein a scientist? yes or no
BARSIC [14]

Answer:

yes

Explanation:

8 0
3 years ago
Read 2 more answers
A person walks north for 5 miles, then south for 8 miles, and then north for 6 more miles. The entire trip takes 8 hours.
Zinaida [17]

Answer:

I am not sure

Explanation:

5 0
2 years ago
Which substance is not a structural isomer of hexyne?
stich3 [128]

Answer:

c) 3,3-dimethylpent-1-yne

5 0
2 years ago
When the plutonium bomb was tested in New Mexico in 1945, approximately 1 gram of matter was converted into energy. Suppose anot
stiv31 [10]

Answer:

See explanation

Explanation:

Given Einstein's theory of relativity, we have that;

E= mc^2

m= mass of the substance

c= speed of light

For one gram of the substance,

E= 1 ×10^-3 × (3 × 10^8)^2

E = 9 × 10^13 J

For 8.7 g of matter;

E = 8.7 × 10^-3× (3 × 10^8)

E= 7.83 ×10^ 14 J

6 0
3 years ago
Does rapidly cooled rock contain small crystals?
Lisa [10]
I believe they do, yes.
3 0
3 years ago
Other questions:
  • Suppose the thermometer is miscalibrated to read .3c higher than actual. does this error in calibrations result in the molar mas
    14·1 answer
  • A water sample has a pH of 8.2 and a bicarbonate concentration of 97 mg/L. What is the alkalinity of the sample in moles/L and i
    8·1 answer
  • Two students are given different samples of a substance and are instructed to determine the properties of the substance.Which st
    6·1 answer
  • 2.46 grams of Cu(NO3)2 would contain how many formula units
    15·1 answer
  • how much heat is released when 70.9g of water at 66C cools to 25C? The specific heat of water is 1 cal/gC
    9·1 answer
  • What are the 6 Steps in the Nitrogen Cycle? Using = NH3, Denitrification, No2 and NO3, Nitrification Bacterial nitrogen fixation
    8·1 answer
  • How many grams of ethylene glycol (c2h6o2 must be added to 1.25 kg of water to produce a solution that freezes at -5.88 ∘c?
    14·1 answer
  • A solution of cough syrup contains 5.00% active ingredient by volume. If the total volume of the bottle is 44.0 mL , how many mi
    15·1 answer
  • What will be the final temperature when a 25.0 g block of aluminum (initially at 25 °C) absorbs 10.0 kJ of heat? The specific he
    5·1 answer
  • Find the molecular mass of<br>MgSO4 7H₂O.​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!