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ss7ja [257]
3 years ago
11

In word equations, what do plus signs actually mean?

Chemistry
2 answers:
weqwewe [10]3 years ago
5 0
It means positive sign
shepuryov [24]3 years ago
3 0
<span>It means that your combining those two chemical substances</span>
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Which one does Temperature measure
Effectus [21]

Answer:

B. how fast the particles are moving

Explanation:

Temperature measures the average kinetic energy of system as result of the thermal - heat energy present in the reaction or a body.

Often times, temperature is the degree of hotness or coldness of a body and this translates to an increase or decrease in the molecular speed.

  • Number of particles in a body is the mass of the body.
  • How tightly packed the particles are corresponds to the density of the body.
7 0
3 years ago
What is the sum of the coefficients in the balanced chemical equation for the combustion of acetone, c3h6o(l), in air?
WITCHER [35]

The sum of the coefficients in the balanced chemical equation for combustion of acetone C3H6O in air  is 11

explanation

<h2>write a balanced chemical equation  for reaction</h2>

that is;  C3H6O + 4O2  → 3CO2 +3H2O

coefficient is the number in front of the chemical formula

the sum of coefficient is therefore= 1 ( in front of C3H6O) + 4 ( in front of O2) + 3 ( in front of CO2) + 3 ( in front of H2O) = 11

6 0
3 years ago
What are the two different types of ocean currents, and how are they formed?
suter [353]

Answer:

Explanation:

There are two main types of ocean currents: currents driven mainly by wind and currents mainly driven by density differences. Density depends on temperature and salinity of the water. Cold and salty water is dense and will sink. Warm and less salty water will float.

3 0
3 years ago
The force that one massive object exerts to attract another object is called .
Ghella [55]

Answer:

Gravity

Explanation:

The force that one massive object exerts to attract another object is called gravity.

4 0
3 years ago
Read 2 more answers
I need help! what is the chemical makeup of hydrogen peroxide!! answer is worth 20 points. ¢¢
evablogger [386]

Answer:

H2O2

Explanation:

it is made up of Oxygen and Hydrogen. Unlike water which is H2O Hydrogen peroxide is made up of 2 oxygen atoms

7 0
4 years ago
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