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OverLord2011 [107]
3 years ago
12

"what are the half lives for uranium-235 and uranium-238?"

Chemistry
1 answer:
lilavasa [31]3 years ago
7 0
Uranium-238 - 4.46 billion years
Uranium-235 - 704 million years
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What tpye of stress results when two tectonic plates diverge
PtichkaEL [24]
Tensional Stress<span>. Tensional </span>stress<span>, sometimes known as extensional </span>stress<span>, stretches and pulls rocks apart. This </span>type of stress<span> occurs along </span>divergent plate boundaries<span>, where </span>two tectonic plates<span> are tearing away from one another.</span>
4 0
3 years ago
Read 2 more answers
What is the density of marble that has a mass of 4.3 g and a volume of 2.7 cm?
KiRa [710]

Explanation:

density(d) = mass(m) × volume(v)

given:

mass = 4.3 g = 0.0043 Kg

volume = 2.7 cm³ = 0.027 m³

= 0.0043 Kg / 0.0027 m³

= 0.15 Kg/m³

3 0
3 years ago
Please help due soon.
Vikentia [17]

Answer:

water - Yes because the do drink water

Air - yes they need to breath or alse they would not do good

warmth - yes or they die from coldness

Light - yes to get there food

soil - yes nution for there roots

Explanation:

Hopes it helps

3 0
3 years ago
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Aspirin is the common name for acetyl salicylic acid, CgH804. One tablet contains 0.325 g of aspirin. How many moles of aspirin
d1i1m1o1n [39]

Answer:

0.0018 moles

Explanation:

Given data:

mass of aspirin= 0.325 g

molar mass of aspirin= 180.1589 g/mol

number of moles=?

Formula:

number of moles= mass in gram/ molar mass (g/mol)

Solution:

now we will put the values in given formula:

number of moles of aspirin= mass of aspirin/ molar mass of aspirin

number of moles= 0.325 g/ 180.1589 g/mol

number of moles = 0.0018 mol

Mole:

Mole is the unit of amount in chemistry. it is SI unit and represented by "mol".

Example;

one mole of hydrogen has a mass of 1.008 g and contain 6.022× 10∧23  atoms.

7 0
4 years ago
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The periodic law states that if you organize elements by their atomic mass....
Inessa [10]
I think it is d. Here is a picture of what I found

6 0
3 years ago
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