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
Juli2301 [7.4K]
4 years ago
7

How many significant figures are in 0.0034 cm? a 2 b 3 c 1 d 4

Chemistry
1 answer:
Annette [7]4 years ago
8 0

Answer:

A. 2 sig figs

Explanation:

In the number 0.0034, the zeros are called leading zeros. The only function of leading zeros is to fix the decimal point. Leading zeros are not counted as significant figures.

You might be interested in
Machines are never 100 percent efficient because some work is used to overcome friction and inertia. True False
ElenaW [278]
False,
machines constantly mess up
7 0
3 years ago
Read 2 more answers
How many grams of NO can be made from 50 g of NH3?<br><br> 4 NH3 + 5 O2 → 6 H2O + 4 NO
Evgen [1.6K]
0.08 because 4mol NO divided by 50g gives you your answer
4 0
2 years ago
At 580 k, 6. 42% of the molecules are in the chair form. calculate the value of the equilibrium constant for the reaction as wri
Ann [662]
Equilibrium chemical reaction between chair and boat forms is:
Kc = \frac{[Boat form]}{[Chair form]}
Suppose the total number of molecules is x 
Number of molecules of chair form is 6.42/100 x
Number of molecules of boat form is 93.58/100 x
Kc = \frac{(0.9358x)}{(0.0642x)} = 14.6
5 0
3 years ago
How many independent variables are allowed in an experiment
Dmitriy789 [7]

one independent variable

8 0
3 years ago
Read 2 more answers
what is the predicted order of fist ionization energies from highest to lowest for beryllium, calcium, magnesium, and stronium?
MrRa [10]
Lowest to highest:
Ca
Mg
Be
S
4 0
3 years ago
Read 2 more answers
Other questions:
  • What is always included in a comparative investigation?
    14·2 answers
  • Choose the pieces of evidence that supported the existence of Pangaea and continental drift theory.
    10·2 answers
  • Assuming equal concentrations of conjugate base and acid, which one of the following mixtures is suitable for making a buffer so
    13·1 answer
  • A 9.0 mL sample of oxygen gas (Q) is stored at a pressure of 6.3 atm. If the pressure of the sample
    11·1 answer
  • The black, granular material that fills a dry cell in a common flashlight (between the carbon rod and the zinc shell) is mangane
    10·1 answer
  • Identity each of the following catalysts as
    11·2 answers
  • An isotope of carbon has 6 protons and 8 neutrons. What is the atomic mass of this element?
    9·1 answer
  • Why series fatty acid carbons seen in double from?
    13·1 answer
  • By examining the diagram, which of the following is NOT needed for photosynthesis:
    11·1 answer
  • Zn + __HCI → __ZnCl + _H2​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!