What do scientists arrange data in

Chemistry

1 answer:

BabaBlast [244]4 years ago

8 0

Scientist arrange there data in coding and research.

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Hydrogen gas is explosive within the range of 4% - 75% v/v. Assuming that each student in your class produces 6 L of H2 and that

yan [13]

In order to compute this, we must first take a couple of assumptions of:
1) The laboratory size so we can calculate its volume
2) The number of students working in the lab so we know the total gas produced
Let the lab be
11 m × 9 m × 6 m
The volume then computes to be:
594 m³
We know that
1 Liter is 1 dm³
1 m = 10 dm
1 m³ = 1000 dm³
Therefore, the room volume in liters is:
594,000 Liters
Let there be 30 students in the laboratory
Total gas being produced:
6 × 30
= 180 Liters
This works out to be:
0.03% of Hydrogen by volume
Therefore, there is no risk of explosion given our assumption of size and students.

5 0

3 years ago

HELPPPPPPP PLZZZ

Ganezh [65]

Answer:

The potential energy the apple had due to its height is converted to kinetic energy

Explanation:

When an apple falls from the tree to the ground, its <u>energy of position stored as gravitational potential energy is converted to kinetic energy</u>, the energy of motion, as it falls. When the apple hits the ground, kinetic energy is transformed into heat energy.

7 0

3 years ago

Which activity requires a new pair of gloves?

Basile [38]

Answer:

Even without specifics, my answer would be all of them.

Explanation:

Technically, you need a new pair of gloves after every experiment, which is what my science teacher taught me, so all of them.

7 0

4 years ago

What kind of nuclear reaction would result in the release of a beta particle

lorasvet [3.4K]

Beta decay converts a neutron to a proton and emits a high-energy electron, producing a daughter nucleus with the same mass number as the parent and an atomic number that is higher by 1.

3 0

4 years ago

Which of the following elemental sequence represents an increase in atomic size?

xz_007 [3.2K]

Answer:

A) B, C, Na, AI, K

Explanation:

This is because from the periodic table, the atomic size of each element increases as we go along the periodic table.

The atomic numbers of the elements are B = 5, C = 6 , Na = 11, Al = 13 and K = 19.

The electronic configuration of each element is given as follows

B = 2, 3; C = 2, 4; Na = 2, 8, 1; Al = 2, 8, 3 and K = 2, 8, 8, 1

Since the atomic numbers increase from left to right as we go along the periodic table, their atomic sizes also increase.

Also, from their electronic configurations, Boron (B)and Carbon (C) only have electrons on the K and L shell. Sodium (Na) and Aluminium (Al) have electrons on the K, L and M shells while Potassium (K) has electrons on the K, L, M and N shells.

So, the larger the electronic configuration, the larger the atomic radius and thus atomic size.

So, they increase in the order B, C, Na, Al, K

3 0

3 years ago