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kondaur [170]
3 years ago
13

HELP MEE

Chemistry
2 answers:
aniked [119]3 years ago
6 0

Answer:

Cedar, mahogany, red wood or something else is fine, but the only downside is that it will cost you more. However, a project that is partially or fully exposed to the elements, something more than normal lumber is a must. The most cost effective method is to use pressure treated lumber.

Explanation:

Murrr4er [49]3 years ago
3 0

Answer:

What he/she said ↑↑↑↑

Explanation:

This is because if you play in the summer it becomes very hot, and your body would burn

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What particle decay is this? 210 83 Bi→210 84 Po ​
sesenic [268]

Answer:

Beta emission

Explanation:

In beta emission, a neutron is converted into a proton thereby emitting an electron and a neutrino. A neutrino is a particle that serves to balance the spins.

When a nucleus undergoes beta emission, the mass number of the parent and daughter nuclei remain the same while the atomic number of the daughter nucleus is greater than that of its parent by one unit.

Hence, in beta emission, the daughter nucleus is found one pace to the right of the parent in the periodic table.

3 0
3 years ago
Hi May I know how to balance this
almond37 [142]

Answer:

  2Ba₃(PO₄)₂ +6SiO₂ ⇒ P₄O₁₀ +6BaSiO₃

Explanation:

Equating coefficients, you get ...

  aBa₃(PO₄)₂ +bSiO₂ ⇒ cP₄O₁₀ +dBaSiO₃

For Ba: 3a = d

For P: 2a = 4c

For O: 8a +2b = 10c +3d

For Si: b = d

__

Expressing everything in terms of b and c, we get ...

  d = b

  a = b/3 = 2c

From the second, b = 6c, so we have ...

  a = 2c

  b = 6c

  c = c

  d = 6c

And we can write the equation with c=1 as ...

  2Ba₃(PO₄)₂ +6SiO₂ ⇒ P₄O₁₀ +6BaSiO₃

4 0
3 years ago
Object A has a mass of 500g and object B has a mass of 300g. Which object is more dense?
KonstantinChe [14]

Answer:

500g because 300g is less dense than 500g its kinda like a weight

Explanation:

i

4 0
3 years ago
Which arrow or arrows represent reactions that demonstrate a conservation of mass and energy? Explain your answer
rewona [7]
I think it would be the sun because it’s the one giving energy to most things, and if you haven’t answered it yet you can put the sun because it’s giving energy to the plans and the environment and it’s the the sun was the effect of the whole thing, sorry if I didn’t help
6 0
2 years ago
Explain the connection between energy quanta and energy levels.
GaryK [48]
A quantum (plural, quanta<span>) is the minimum amount of </span>energy<span> that can be absorbed or released by matter. It is a discrete, or distinct, amount of </span>energy<span>. ... Thus, they can occupy only fixed </span>energy levels<span> around the nucleus that correspond to quantum increases in </span>energy<span>.</span>
7 0
3 years ago
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