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Gemiola [76]
3 years ago
5

five years ago, my grandfather was five times as old as I was. Three years from now, my grandfather will be three times as old a

s I will be. how old am I now?
Chemistry
2 answers:
lakkis [162]3 years ago
7 0
You never told us how old you are so how are we supposed to answer
Musya8 [376]3 years ago
6 0
You're 13 now. you were 8 five years ago while ur grandfather was 40(40/5=8) 8yrs from then, which is three years from now, ur 16 while ur grandfather is 48 (48/3=16) minus the three years to today 16-3=13. You are 13 yrs old.
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in this lab we will build an instrument called a coffee cup calorimeter: identify the list with all the necessary parts
Nesterboy [21]
A calorimeter is just an insulated container which contains the sample. You combust the sample inside the calorimeter, then you measure the temperature with respect to time. Make sure to stir constantly. Thus, you need a thermometer and a stirrer. The coffee cup calorimeter is labelled as shown in the picture attached. The goal of this experiment is to determine the specific heat capacity.

8 0
3 years ago
Need help with this lmk
tiny-mole [99]

Answer:

↓ФωФ↓ good answer below

8 0
2 years ago
List the number of each type of atom on the left side of the equation 2C6H14(l)+19O2(g)→12CO2(g)+14H2O(g) Enter your answers sep
murzikaleks [220]

<u>Answer:</u> The number of carbon, hydrogen and oxygen atoms on the left side of the reaction are 12, 28 and 38 respectively

<u>Explanation:</u>

In a chemical equation, the chemical species are termed as reactants or products.

Reactants are defined as the species which react in the reaction and are written on the left side of the reaction arrow.

Products are defined as the species which are produced in the reaction and are written on the right side of the reaction arrow.

For the given chemical equation:

2C_6H_{14}(l)+19O_2(g)\rightarrow 12CO_2(g)+14H_2O(g)

On the reactant side:

Number of carbon atoms = (6 × 2) = 12

Number of hydrogen atoms = (14 × 2) = 28

Number of oxygen atoms = (2 × 19) = 38

Hence, the number of carbon, hydrogen and oxygen atoms on the left side of the reaction are 12, 28 and 38 respectively

3 0
3 years ago
What type of energy transfer is taking place when someone plays a violin?
Marianna [84]

Answer:

C.

Explanation:

The movement of the bow is Kinetic Energy.

6 0
3 years ago
How did the peak of Mt. Everest rise from sea level to 8,848 feet?
Ksju [112]

Answer:

The height of Everest. Controversy over the exact elevation of the summit developed because of variations in snow level, gravity deviation, and light refraction. The figure 29,028 feet (8,848 metres), plus or minus a fraction, was established by the Survey of India between 1952 and 1954 and became widely accepted.

7 0
3 years ago
Read 2 more answers
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