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
valkas [14]
3 years ago
7

In the copper- planting solution lab placed copper pennies in vinger is an weak acid with hydrogen ions when you put the pennies

in the vinger you should haev abserved small gas bubbles. what were these bubbles composed of and how did they form
Chemistry
1 answer:
kakasveta [241]3 years ago
8 0
Hydrogen gas

Acid + metal = salt and hydrogen gas
You might be interested in
What procedure could a student use to examine an intensive property of a rectangular block of wood
photoshop1234 [79]

An intensive property does not change when you take away some of the sample. The procedures that a student could use to examine the intensive property of a rectangular block of wood are the hardness, color, density and molecular weight.

8 0
4 years ago
The freezing point of water in degrees Celsius is [ Select ] __________. The freezing point of water in degrees Fahrenheit is [
ElenaW [278]

Answer: 0, 32 , 273

Explanation:

The freezing point of water in degree Celsius, Fahrenheit and Kelvin are in the following order;   0  , 32  , 273

4 0
3 years ago
If a little old lady is doing 98.3 kilometers/hour, will she get a speeding ticket if the speed limit is 55 miles / hour? [USE:
shutvik [7]

Answer:

It is possible she could get one.

Explanation:

To solve this problem we need to convert 98.3 kilometers/hour to miles/hour.

In other words, we <u>convert km to mi</u>, to do so we multiply 98.3 km by a <em>conversion factor</em>, putting the unit we want to have in the numerator, and the unit we want to convert in the denominator:

  • 98.3 km * \frac{1000m}{1km} *\frac{100cm}{1m}*\frac{1in}{2.54cm} *\frac{1ft}{12in} *\frac{1mi}{5280ft} = 61 mi

Given that the little old lady is doing 61 miles/hour, she could get a speeding ticket.

7 0
3 years ago
. Though Florida receives a lot of rainfall, only 1 percent remains available for people to use or drink. What happens to the re
monitta
1st part.)). The rest of the water goes into oceans and underground.
8 0
3 years ago
Can you imagine a situation in which the reserve of a fuel might be increased?
Kamila [148]
The reserve of a fossil fuel might be increased if mining or extraction techniques improve so that more of fuel can be extracted for  a profit 
6 0
3 years ago
Read 2 more answers
Other questions:
  • 8.00ml of 1.25M lithiukm hydroxide is reacted with sulfuric acid. It is found that 52.87mL of the sulfuric acid is required to c
    10·1 answer
  • What is the pH of a 0.40 M solution of C6H5COOH?
    15·1 answer
  • Molarity is represented by the symbol m true or false?
    11·2 answers
  • How might a strawberry plant depend on birds?
    8·2 answers
  • What is the term for a push or a pull on an object
    13·1 answer
  • Which statement best compares and contrasts lipids and carbohydrates?
    5·2 answers
  • What solution turns litmus paper blue? A. acidic B. basic C. neutral D. none
    10·2 answers
  • What transition energy corresponds to an absorption line at 527 nm?​
    8·2 answers
  • What is the frequency of 3.98 x 10^-77 
    10·1 answer
  • Why wasn’t sodium hydroxide used in the synthesis of divanillyl oxalate, instead of triethylamine?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!