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3 years ago

As temperature increases substances go from the

1 answer:

3 0

Answer: As the temperature decreases or pressure increases substances move toward the solid state. Solids have a definite shape and a definite volume due to the fact that their particles are relatively close together and are merely vibrating, contrary to popular convention, the particles of a solid are moving.

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Which of the following ions is formed when an acid is dissolved in a solution? (5 points) H+

Amiraneli [1.4K]

Answer:

Hence, option B is correct. 1 and 2

Explanation:

NH 4 Cl is a weak base-strong acid salt.

NaCN is a salt of a strong base (NaOH) and weak acid (HCN).In water,

1. NH 4 Cl produces acidic solution

2. KHSO 4 produces acidic solution

because the neutral salt of strong base KOH and strong acid H 2 SO 4 is K 2 SO 4

3. NaCN produces basic solution

4. KNO

3 produces neutral solution

I think this is right but I hope its help ,ur welcome ♥️♥️

8 0

3 years ago

PLEASE HELP!! ILL GIVE YOU 30 POINTS!! ANSWER QUICK PLEASE!!!

riadik2000 [5.3K]

1) centrifuge is used to separate mixtures which are heterogeneous in nature.

So here in the given examples

A) Cream and milk, because of their difference in density

2) sterling silver is a homogenous mixture alloy.

So answer is A homogeneous mixture, because the different components are mixed and evenly within the substance

3) Compound is when atoms combine by chemical reaction and they lose their identity

7 0

4 years ago

Read 2 more answers

I need literal help yall. if yall answer this you guys can get brainest

VARVARA [1.3K]

Answer:

I think B

Explanation:

7 0

3 years ago

How many grams are in 1.25 moles of Potassium hydroxide, KOH? 1 point

klasskru [66]

Answer:

There are 70 grams of KOH

Explanation:

First, we calculate the weight of 1 mol of KOH:

Weight 1 mol KOH: Weight K + Weight 0 + Weight H= 39g+ 1g+ 16g= 56 g/mol

1 mol-------56 g KOH

1,25 mol----x= (1,25 molx56 g KOH)/1 mol= 70 g KOH

7 0

4 years ago

The Sun radiates energy through space and to the Earth's surface. Most of this energy is in the _______ part of the light spectr

Margaret [11]

It reaches us though electromagnetic waves, basically light. This light has energy in it and when light hits a particle (like air or one of the countless particlesin you skin)

8 0

3 years ago

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