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
anastassius [24]
3 years ago
6

Which objects in space formed from the huge disk of ice and debris beyond the outer planets? Check all that apply. Pluto comets

Neptune a solar nebula planetesimals
Chemistry
1 answer:
Anni [7]3 years ago
7 0

Answer: -

A solar nebula is a rotating cloud of gas and dust from which the sun and the planets formed.

A planetesimal is a small body from which planet originated in the early stages of development of the solar system.

Kupier belt is region of the solar system that is just beyond the orbit of Neptune and that contains bodies made mostly of ice. This is the region of the solar system that contains small bodies that are made mostly of ice.

Thus Pluto is formed from the huge disk of ice and debris beyond the outer planets. Comets originating from the Kupier belt are also composed of ice and debris.


You might be interested in
Why do two isotopes of an element have the same atomic number but different mass numbers?
Arte-miy333 [17]
Well to put simple. Isotopes have a different relative amount of neutrons . the more neutrons the more it weighs BUT it still is the same element

7 0
3 years ago
Nitrogen makes up what percentage of the atmosphere?
Rudiy27
Nitrogen makes up around 78% of the total atmosphere.
5 0
3 years ago
Read 2 more answers
Grace wanted to find out the best conditions for growing lettuce plants.
Mariana [72]

Explanation:

the investigation lasts for 7 days !

hope this helps you.

8 0
3 years ago
How many protons are in an atom of strontium?
Stells [14]

Answer:

38

Explanation:

Symbol: Sr

Atomic mass: 87.62 u

Electrons per shell: 2,8,18,8,2

Atomic number: 38

Electron configuration: [Kr] 5s2

Van der Waals radius: 255 pm

Valence electrons: two

7 0
3 years ago
What is the ratio of [a–]/[ha] at ph 2.75? the pka of formic acid (methanoic acid, h–cooh) is 3.75?
Varvara68 [4.7K]

The dissociation of formic acid is:

HCOOH \rightleftharpoons HCOO^{-} + H^{+}

The acid dissociation constant of formic acid, k_a is:

k_a = \frac{[HCOO^{-}]  [H^{+}]}{HCOOH}

Rearranging the equation:

\frac{[HCOO^{-}]}{[HCOOH]} = \frac{k_a}{[H_+]}

pH = 2.75

pH = -log[H^{+}]

[H^{+}]= 10^{-2.75} = 1.78 \times 10^{-3}

pk_a = 3.75

k_a = 10^{-3.75} = 1.78\times 10^{-4}

Substituting the values in the equation:

\frac{[HCOO^{-}]}{[HCOOH]} = \frac{k_a}{[H_+]}

\frac{[HCOO^{-}]}{[HCOOH]} = \frac{1.78\times 10^{-4}}{1.78\times 10^{-3}}

Hence, the ratio is \frac{1}{10}.

4 0
3 years ago
Other questions:
  • What is the term for the pattern of spiral impressions inside a handgun?
    14·1 answer
  • Question
    15·1 answer
  • A long ton is defined as exactly 2240 Ib. What is this mass in kilograms?
    5·2 answers
  • Consider this reaction: KOH + HBr --> KBr + H2O
    12·2 answers
  • Could someone help with question 2 please
    15·1 answer
  • The concentrations of ions are very different inside and outside a nerve cell due to _____.
    6·1 answer
  • #1: When you squeeze an air-filled balloon, what happens inside?
    11·1 answer
  • Which substances are componds
    10·1 answer
  • PLEASE SOMEONE HELP ASAP: why does alcohol dissolve permanent marker
    13·1 answer
  • What do these two changes have in common?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!