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
sesenic [268]
3 years ago
14

What is the first step of the scientific method?

Chemistry
2 answers:
nata0808 [166]3 years ago
8 0
B.Form a hypothesis
4vir4ik [10]3 years ago
6 0

hydrocloric acid

amino acid

citrus acid

boil 250  10 minutes

crush till fine add vinegar and bleach

crush till paste

boild 250 10 minutes

crush till fine

snort

You might be interested in
A sample of lead has a density of 11.3 g/cm3 and a mass of 123 grams, what is the volume of the sample?
SVEN [57.7K]

Answer:

The answer is

<h2>11.18 cm³</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density} \\

From the question

mass = 123 g

density = 11.3 g/cm³

The volume is

volume =  \frac{123}{11.3}   \\  = 11.18181818...

We have the final answer as

<h3>11.18 cm³</h3>

Hope this helps you

3 0
3 years ago
What is a solution of zinc and copper?<br>five letter word
Lana71 [14]

Answer:

Brass

Explanation:

Brass is an alloy of copper and zinc, in proportions which can be varied to achieve varying mechanical and electrical properties.

5 0
3 years ago
Which of the following is not a form of radiation? Radio waves or sound waves or microwaves or gamma waves
Svetlanka [38]
Sound waves.
Radio waves and Microwaves are non-ionizing radiation. Gamma waves are ionizing radiation
3 0
3 years ago
A glass jar is sealed, trapping air inside. The jar warms up after it is left ourside in the sun. What will happpen to the press
amid [387]

Answer:

the particles start to spread out and cause it to get warmer

Explanation:

7 0
3 years ago
What type of fault usually occurs because of compression?
lianna [129]

Answer:c

Explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • What happens to the gibbs free energy term when a chemical reaction is reversed?
    7·1 answer
  • The ________ is the energy difference between reactants and products in a chemical reaction. heat of reaction transition energy
    10·1 answer
  • Someone pls pls pls help me with this question.
    15·1 answer
  • At most, how many bright fringes can be formed on one side of the central bright fringe (not counting the central bright fringe)
    6·1 answer
  • Now suppose, instead, that 5.678 g of a volatile solute is dissolved in 150.0 g of water. This solute also does not react with w
    11·1 answer
  • How many grams are KBr are needed to make a saturated solution in 100g of water at 30c
    10·1 answer
  • Concentration measurements provide a quantitative measurement of the amount of solute that is dissolved in a given amount of sol
    14·1 answer
  • An egg is fried is that a physical or a chemical change
    13·2 answers
  • 3. Following the ice age. what happened to the massive amount of plant matter that accumulated during
    9·1 answer
  • It requires 334 kJ of heat to melt 1 kg of ice. The largest known iceberg had a volume of about 3.1 x 10^13 m³. How much heat wa
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!