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
juin [17]
3 years ago
10

During an experiment, a student observes the formation of a precipitate. Why does this indicate that a chemical reaction is like

ly occurring
Chemistry
1 answer:
My name is Ann [436]3 years ago
8 0

A. A solid forms, and there is a change of color.

You might be interested in
What was the control in Pasteur's experiment?
Sholpan [36]

Answer:

a straight neck flask to allow air to get in

Explanation:

I took the test eWe

8 0
4 years ago
Backpackers often use canisters of white gas to fuel a cooking stove’s burner. If one canister contains 1.45 L of white gas, and
rusak2 [61]
1 L ------- 1000 cm³
1.45 L ----- ???

1.45 * 1000 = 1450 cm³  ( volume ) 

Density = 0.710 g/cm³

mass =  in Kg 

m = D * V

m = 0.710  * 1450

m = 1029.5 g

1 Kg ------- 1000 g
   kg -------- 1029.5 g

mass = 1029.5 / 1000

mass = 1.0295 Kg

hope this helps!

7 0
3 years ago
How much mass do 2.0 moles of uranium contain
jasenka [17]
The answer is going to be 476.06.
8 0
3 years ago
Activity 7: Crossword Puzzle
Natasha_Volkova [10]

Answer: 2. with two symmetrical shells - mirror images of each other.

the term "crinoid" means: 6. phylum where starfish and sea urchins belong

4. lived inside their shells: 1. exoskeletons are made up of this material

7. multicellular organisms that often live in colonies:  8. individuality of coral is called

Explanation:

Crinoid is a term that can be used to describe the radial symmetry of animals that have oral (side of mouth) and aboral surfaces (opposite to the mouth). It is characterized by the mouth at the top surface and surrounded by the arms for feeding it. This is a characteristic feature of animals like star fish and sea urchins and echinoderm animals.

The exoskeleton is a protective shell which protect the animal from the external environment like water, sunlight and predation.

The multicellular organisms that live in the colonies they form coral reef and individually the are called the coral polyp.

5 0
3 years ago
When acids react with water, ions are released which then combine with water molecules to form .
mestny [16]
When acids react with water, H ions are released which then combine with water molecules to form H₃O⁺
7 0
4 years ago
Read 2 more answers
Other questions:
  • Calculate the silver ion concentration in a saturated solution of silver(I) sulfate (K sp = 1.4 × 10 –5). 1.5 × 10–2 M 1.4 × 10–
    7·1 answer
  • A student performs an experiment that produces solid sodium chloride. He uses four different catalysts and lets the reaction run
    14·1 answer
  • Which subatomic particle is responsible for chemical properties of atoms?
    15·1 answer
  • An object with a mass of 0.225 kg and density of 2.89 g/cm3 measures 34mm in length and 46mm in width. what is the hight of the
    12·1 answer
  • If a 3 kg moon rock is moved from the moon to the earth does the mass of the rock change
    13·1 answer
  • PLS SOMEONE HELP ME ANSWER THESE QUESTIONS ARE THEY CONDUCTION OR CONVECTION OR RADIATION
    11·1 answer
  • What force(s)
    11·1 answer
  • Based on the passage, which words best describe Captain Ahab?
    11·1 answer
  • Select the correct answer.
    12·2 answers
  • what is the solubility of ca(oh)2 (s) in water, given that the ksp is 6.5 x 10-6. molar mass of ca(oh)2 is 74.09 g/mol. g
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!