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Vaselesa [24]
3 years ago
10

(40) If a hypothesis is proven correct, a theory is formulated. True or false

Chemistry
1 answer:
Snezhnost [94]3 years ago
8 0

Answer: False, I believe.

Explanation: If a Hypothesis is proven correct, then another experiment to strengthen that Hypothesis is should be done.

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Which of the following compounds contain an electrostatic attraction as bonds between ions?
ValentinkaMS [17]
An ionic bindis a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions. The electrical and thermal conductivity of metals originate form the fact that their outer electrons are delocalized. I hope this helps
5 0
3 years ago
This download is my science worksheet. It's about different types of energy in a situation, like examples. btw this is 7th grade
scoray [572]

All types of energy can be resumed into two basic types of energy which include kinetic energy and potential energy.

<h3>What is kinetic energy?</h3>

Energy is the ability to perform a given work. Kinetic energy is energy in movement, whereas potential energy is stored energy.

For example, plant photosynthesis makes reference to chemical energy (potential energy), popcorn makes reference to thermal energy, etc.

In conclusion, all types of energy can be resumed into two basic types of energy which include kinetic energy and potential energy.

Learn more about kinetic energy here:

brainly.com/question/25959744

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8 0
2 years ago
Calculate the pH when 64.0 mL of 0.150 M KOH is mixed with 20.0 mL of 0.300 M HBrO (Ka = 2.5 × 10⁻⁹)
KonstantinChe [14]

Answer:

The answer is "12.06"

Explanation:

Given:

M(HBrO) = 0.3\ M\\\\V(HBrO) = 20 \ mL\\\\M(KOH) = 0.15 \ M\\\\V(KOH) = 64 \ mL

\to mol(HBrO) = M(HBrO)  \times  V(HBrO) = 0.3 M   \times 20 mL = 6 \ mmol\\\\\to mol(KOH) = M(KOH)  \times   V(KOH)= 0.15 M  \times  64 mL = 9.6 mmol

  6 mmol of both will react

excess KOH remaining= 3.15 \ mmol

Volume= 20 + 64 = 84 \ mL

[OH^{-}] = \frac{ 9.6 \ mmol}{84\  mL} = 0.01142\ M

use:

pOH = -\log [OH^-]

        = -\log (1.142\times 10^{-2})\\\\= 1.94

use:

PH = 14 - pOH

       = 14 - 1.94\\\\= 12.06

4 0
3 years ago
Compare the properties of the following: α particles, cathode rays, protons, neutrons, and electrons.
soldi70 [24.7K]

Properties of the following are:

Alpha particle - positively charged particle (+) that consists of two electrons and two neutrons.

Cathode rays - it is the stream of electrons (negatively charged) found in vacuum.

Protons - are particles that carry positive charge and is present inside the nucleus of an atom.

Electrons - are particles that carry negative charge and is present in the orbits of the atom.

Neutrons - electrically neutral particle (0 charge) present inside the nucleus of an atom. However, it has its own mass.

5 0
3 years ago
In a lab, calcium chloride is dissolved in water in a test tube. As it dissolves the test tube gets warmer. Which of these is a
kozerog [31]

Answer:

B

Explanation:

The mixture gave off heat

4 0
2 years ago
Read 2 more answers
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