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
vfiekz [6]
3 years ago
9

Spiral galaxies have a central core from which curved arms spiral outward. True False

Chemistry
2 answers:
GalinKa [24]3 years ago
5 0

Answer:

True

Explanation:

In a spiral galaxy, stars had and dust is collected in spiral arms that spread outward from the center of the galaxy. This type of galaxies is composed of young and old stars; being the older ones usually found in the nucleus. Therefore, this statement is True. I

tatyana61 [14]3 years ago
3 0

Answer:

true

Explanation:

You might be interested in
How many cm 3 are in 0.14 m 3?
nlexa [21]

Answer:

There are 14 cm in 0.14 m

5 0
3 years ago
In an exothermic reaction, the water will _______ in a calorimeter.
professor190 [17]
In an exothermic reaction, the water will increase in temperature in a calorimeter. An exothermic reaction is a reaction where heat is one of the products or heat is being released from it which will cause for the temperature inside the calorimeter to increase.
6 0
3 years ago
Define the term hydrate
Salsk061 [2.6K]

Answer:

a compound,typically a crystalline one,in which water molecules are chemically bound to another compound or an element

3 0
2 years ago
In a reaction, 25 grams of reactant
Vsevolod [243]

Answer:

D. 15g

Explanation:

The law of conservation of mass states that, in a chemical reaction, mass can neither be created nor destroyed. This means that the amount of matter in the elements of the reactants must be equal to the amount in the resulting products.

In this question, 25 grams of a reactant AB, was broken down in a reaction to produce 10 grams of products A and X grams of product B. According to the law of conservation of mass, the mass of the reactant must be equal to the total mass of the products. This means that 25 grams must also be the total mass of both products in this reaction. Hence, if product A is 10 grams, product B will be 25 grams - 10 grams = 15 grams.

Therefore, product B must be 15 grams in order to form a total of 25 grams when added to the mass of product A. This will equate the mass of the reactant AB and fulfill the law of conservation of mass.

8 0
3 years ago
If told to determine whether or an unknown substance is either salt or sugar what do you do to determine which it is explain?
Aleonysh [2.5K]
If you were allowed to taste it sugar will be more sweeter whereas salt wouldnt. But if you were to touch it then sugar is more tinnier than salt.
3 0
3 years ago
Other questions:
  • A 5.00 L sample of a gas at 25.0 °C is expanded under constant pressure to 12.5 L. What is the final temperature of the gas in °
    14·1 answer
  • What term best defines the process that occurs when nuclei combine to produce a nucleus with more mass?
    8·2 answers
  • what is the correct definition of refraction? 1. A change in the direction of light when it goes from one medium into a differen
    8·2 answers
  • How many electrons are there in the only energy level of helium, a noble gas? * Two Three Six Eight​
    9·1 answer
  • The _______ is a factor that's affected by changes in the independent variable.
    7·1 answer
  • How do yo know when your in love ?
    11·1 answer
  • Calculating pH
    13·1 answer
  • What kind of reaction is KI(ag) + AgNO3 (aq) → Agl(s) + KNO3aq)?
    11·2 answers
  • Please help me decode this. The question for this image is what is the code, and the code has to be: alphabetical without spaces
    13·1 answer
  • a. What is the definition of a mole? b. What is the abbreviation for mole? SARM c. How many particles are in one mole? d. What n
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!