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
dsp73
3 years ago
9

Star A has a magnitude of 2. Star B has a magnitude of 5. What is the brightness ratio? A.6.3 : 1 B.15.8 : 1 C.5 : 2 D.2 : 5

Chemistry
1 answer:
Temka [501]3 years ago
3 0
I think the answer is C
You might be interested in
Science is based primarily on peoples opinions and views of the subject matter.
kvv77 [185]

Answer:

False

Explanation:

Science is not based on primarily on peoples opinions and views of the subject matter whereas science is based on empirical observations and research for its validity.

<u>Science aims to find answers to human questions related to the natural world through their research observation and experiments. Scientists and researchers provide valid proof of human questions so that people can trust them.</u>

Science can change people's opinions regarding the natural world with valid proof and observational theories but science is not based on people's opinion.

Hence, the given statement is "false".

7 0
3 years ago
Which reactant will be in excess, and how many moles of it will be left over?
timofeeve [1]

Answer:

Oxygen with 0.36 moles left over

Explanation:

5 0
3 years ago
Read 2 more answers
How many molecules are present in 4.21 moles of HBr?​
salantis [7]

Answer:

The answer is

<h3>2.53 × 10²⁴ molecules</h3>

Explanation:

The number of molecules present can be found by using the formula

<h3>N = n × L</h3>

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

N = 4.21 × 6.02 × 10²³

We have the final answer as

<h3>2.53 × 10²⁴ molecules</h3>

Hope this helps you

6 0
3 years ago
Do 150.0 grams and 150 grams mean the same thing
CaHeK987 [17]

Answer:

yes 150.0grams = 150grams

7 0
3 years ago
What is represented at the triple point of water?
Aleks04 [339]

Answer:D

Explanation: Solid, liquid, and gas phases in equilibrium

8 0
3 years ago
Other questions:
  • How Did Lavoisier's wife help him to communicate the results of his experiments
    11·1 answer
  • A gene which does not produce its effect when an opposite dominant gene is present is called a(n) ________ gene
    12·2 answers
  • 50 POINTS!!!
    13·1 answer
  • When DNA is replicated, it is necessary for the two strands to "unzip" temporarily. Choose which bonding type is most appropriat
    9·1 answer
  • Why is water important to cells
    5·2 answers
  • If 1.0 mol of Mg is mixed with 2.0 mol of Br2, and 0.42 mol of MgBr2 is obtained, what is the percent yield for the reaction?
    7·1 answer
  • Hello can you please help me to solve above questions. .​
    13·1 answer
  • After 100 mL of 1.0 M NaOH are titrated into a 50 mL solution of HCl, the indicator changes color, signaling that the solution h
    14·1 answer
  • Cuál es la importancia de una fórmula química y explique las clases de fórmulas con sus ejemplos respectivos.
    7·1 answer
  • MARKING BRAINLIEST
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!