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
ale4655 [162]
3 years ago
12

There is a small block A and a large block B. Block A is 25 grams. Block B is 25 Grams.If Block A is located on the Moon and Blo

ck B is located on Earth, which of the following is true about the two blocks? Question 4 options: They have the same mass They have the same weight They have the same density They have the same volume Question 5 (1 point)
Chemistry
1 answer:
a_sh-v [17]3 years ago
8 0

Answer:

They have the same mass

Explanation:

The two blocks have the same mass. Mass is the quantity of matter contained in a substance. Therefore, the two bodies have the same mass.

The weight is a measure of mass and gravity. The gravity on earth differs from that on the moon. Therefore, the two bodies have different weights.

Their volume is also different since one body is larger than the other. Therefore, density which is the mass per unit volume will also differ.

You might be interested in
Find [H+] of a 0.056 M hydrofluoric acid solution. Ka = 1.45 x 10-7
brilliants [131]

Answer:  [H^+] of 0.056 M HF solution is 8.96\times 10^{-5}

Explanation:

HF\rightarrow H^+F^-

 cM              0             0

c-c\alpha        c\alpha          c\alpha  

So dissociation constant will be:

K_a=\frac{(c\alpha)^{2}}{c-c\alpha}

Give c= 0.056 M and \alpha = ?

K_a=1.45\times 10^{-7}

Putting in the values we get:

1.45\times 10^{-7}=\frac{(0.056\times \alpha)^2}{(0.056-0.056\times \alpha)}

(\alpha)=0.0016

[H^+]=c\times \alpha

[H^+]=0.056\times 0.0016=8.96\times 10^{-5}  

Thus [H^+] of 0.056 M HF solution is 8.96\times 10^{-5}

8 0
3 years ago
Which of the following describes a solution of 1 gram of salt dissolved in 500 mL of water?
Greeley [361]

Answer:

B

Explanation:

Homogeneous= all particles are dissolved thoroughly

Solute= 1 gram of salt

Solvent= 500 mL water

8 0
3 years ago
Ethane is an alkane having two carbon atoms bound to hydrogen atoms. Recall what you have learned about the tetravalent nature o
svlad2 [7]
The molecule for ethane is C2H6. or CH3-CH3. 

Carbon LOVES hydrogen. If possible, Carbon would have four bonds attach to hydrogens. IN this molecule, one of the bond is used to attach a carbon to another carbon, so instead of 4 hydrogens, each carbon would have 3 hydrogens..
3 0
3 years ago
How many moles of N2 in 57.1 g of N2?
SpyIntel [72]

We are given –

  • Mass of \bf N_2 is 57.1 g and we are asked to find number of moles present in 57.1 g of \bf N_2

\qquad\pink{\bf\longrightarrow  { Molar \:mass \:of \: N_2:-}  }

\qquad\bf  \twoheadrightarrow 14\times 2

\qquad\bf \twoheadrightarrow   28

\qquad____________________

Now,Let's calculate the number of moles present in 57.1 g of \bf N_2

\qquad\purple{\bf\longrightarrow  { No \:of \:moles = \dfrac{Given \:mass}{Molar\: mass}}}

\qquad\bf   \twoheadrightarrow \dfrac{57.1}{28}

\qquad\bf  \twoheadrightarrow 2.04\: moles

__________________________________

7 0
2 years ago
Calculate the mass of a solid metal cylinder with a density of 2.6 g/cm", a
worty [1.4K]

Answer:

V= π ×r² × h

V = 3.14 × (0.9)² × 4

V = 3.14 × 0.81 × 4

V = 10.1736

Mass = Volume × density

M = 10.1736 × 2.6

M = 26.45136 g

8 0
3 years ago
Other questions:
  • Given the following reaction: 3D(g) + E(g) + 2F(g) → 5G(g) + 4H(g)
    6·1 answer
  • When an electron in an atom spontaneously jumps from a higher energy state to a lower energy state, the atom?
    15·1 answer
  • A reaction requires 15.0 g of ammonium chloride. What volumeof a
    6·1 answer
  • What is the Bronsted acid in the following equation HBr+H20 H30+ + Br-
    15·1 answer
  • Calculate the wavelength, in nanometers, of the light emitted by a hydrogen atom when its electron fallsfrom the n = 7 to the n
    10·1 answer
  • Which of the following reactions would result in the formation of a gaseous product?
    14·2 answers
  • What are the reasons for existence of large number of organic compounds in nature.Explain ​
    10·1 answer
  • What is true about equinox? A.Day and night are equal in length. B. Shadows in the afternoon are longest. C. Nights are longest.
    11·1 answer
  • Which of the following is another term for eruptions of gas on the sun's surface?
    9·1 answer
  • Use the periodic table to identify the element indicated by each electron configuration by typing in the
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!