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satela [25.4K]
2 years ago
9

State your claim. Make sure your claim fully explains how you can distinguish between materials that appear similar. HELPPPPPP M

EEEEE PLZZZZZZZZ!!!!!!!!!!!!!!!!!!!!!

Chemistry
2 answers:
snow_lady [41]2 years ago
7 0
The right one is darker than the left
asambeis [7]2 years ago
5 0
The material on the right is a darker shade than the one on the left. Also the one on the right also is less of a block and a little more shagged
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A scientist notices that a lump of niobium is warm to the touch and wonders if nuclear reactions are taking place in the metal.
sertanlavr [38]

Answer is: Check for the presence of alpha, beta, and gamma particles.

1) Alpha particle is nucleus of a helium-4 atom, which is made of two protons and two neutrons.

Alpha decay is radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and transforms into an atom with an atomic number that is reduced by two and mass number that is reduced by four.

2) Beta decay is radioactive decay in which a beta ray and a neutrino are emitted from an atomic nucleus.

There are two types of beta decay: beta minus and beta plus.

3) During gamma emission the nucleus emits radiation without changing its composition.

5 0
4 years ago
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Being able to curl your tongue is a recessive trait (t), while not being able to curl your tongue is a dominant trait (T).
gizmo_the_mogwai [7]
Should be this. you can’t have any of these listed below since they both rain recessive traits. recessive traits aren’t able to be created in the dihybrid. btw i did the simplified grid since they produce the same gametes. i could be wrong though (:

6 0
3 years ago
Calculate the number of moles of solute present and the number of grams
nekit [7.7K]

Answer:

The answer is: 18 moles and 1341, 72 grams of KCl

Explanation:

The molarity is defined as the moles of solute ( in this case KCl) in 1 liter of solution:

1L solution-----3 moles of KCl

6L solution-----x= (6L solutionx 3 moles of KCl)/1 L solution= <em>18 moles of KCl</em>

<em></em>

We calculate the weight of 1 mol of KCl:

Weight 1 mol KCl= Weight K + Weight Cl= 39,09 g + 35, 45 g=74, 54 g/mol

1 mol KCl----- 74, 54 g

18 mol KCl----x= (18 mol KCl x 74, 54 g)/1 mol KCl=<em>1341, 72 g</em>

6 0
4 years ago
if an object changes to a different state of matter is called physical property or chemical change or physical change
Vitek1552 [10]
Changing states of matter would be a physical change
4 0
3 years ago
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Name one factor that determines how much potential energy there is in a roller coaster ride
beks73 [17]

Answer:

How high the hill is

How much the coaster itself weighs

How long the coaster is

Explanation:

8 0
3 years ago
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