All categories

3 years ago

Matter is anything that has mass and takes up space. Which units of measurement can you use to describe these two properties?

Chemistry

2 answers:

Dima020 [189]3 years ago

7 0

Answer:

Option D. kilograms and cubic millimeters

Explanation:

From the above options, only kilograms and volume conform to the definition of matter.

Kilogram is the unit of measurement of Mass ( i.e quantity of matter Mass present in an object).

Cubic Millimetres is a unit of measurement of volume( i.e the place occupied by Matter)

elena-s [515]3 years ago

6 0

Answer:

Explanation:

The SI unit for density is the kilogram per cubic meter (kg/m3 ).

You might be interested in

What type of chemical reaction is C6H6 + CI2 = C6H5CI + HCI

elixir [45]

for it to be balanced in this case would be " 4 C6H6 + 6 CI2 = 3 C6H5CI + 9 HCI" therefore it's be a Double Replacement

8 0

3 years ago

What substance cannot be broken down by chemical change

ki77a [65]

Potassium is the simplest form of matter and therefore can not be broken down by chemical change.

5 0

3 years ago

Consider the following equilibrium:

Ainat [17]

Answer: The equation which is wrong is $K_p=K_c(RT)^{-5}$

Explanation:

For the given reaction:

$4Fe(s)+3O_2(g)\rightarrow 2Fe_2O_3(s)$

The expression for $K_c\text{ and }K_p$ is given by:

$K_c=\frac{1}{[O_2]^3}$

$K_p=\frac{1}{[O_2]^3}$

The concentration of solids are taken to be 1, only concentration of gases and liquid states are taken. The pressure of only gases are taken.

Relationship between $K_p\text{ and }K_c$ is given by the expression:

$K_p=K_c\times (RT)^{\Delta n_g}$

where,

$\Delta n_g$ = number of moles of gaseous products - number of moles of gaseous reactants

R = gas constant

T= temperature

For the above reaction,

$\Delta n_g$ = number of moles of gaseous products - number of moles of gaseous reactants = 0 - 3 = -3

Hence, the expression for $K_p$ is:

$K_p=K_c\times (RT)^{-3}$

Therefore, the equation which is wrong is $K_p=K_c(RT)^{-5}$

7 0

4 years ago

8.Which of the following is a base?

RSB [31]

Answer:

Explanation:

Unit 10 - Acid/Base ... (a) Mg(OH. 2. ) (b) Mg(OH). 2. (c) Mg. 2. OH. (d) MgOH. 2. Standard: ... balanced equation for these neutralization reactions: 3. HCl + NaOH → ... H2CO3 + Ca(OH)2 → ... C5.7B Predict products of an acid-base neutralization. 8. 2 NH4OH + H2S ...An Arrhenius base is a compound that increases the OH − ion concentration in ... and a base is called a neutralization reaction and can be represented as follows: ... chemical equation for the neutralization reaction between HCl and Mg(OH) 2. ... acid, an Arrhenius base, or neither. a) NaOH. b) C 2H 5OH. c) H 3PO 4. 6

4 0

3 years ago

The pathogen below is a single-celled organism without a nucleus that can cause illness in a humans.

sukhopar [10]

Answer:

bacteria

Explanation:

The pathogen below is a single-celled organism without a nucleus that can cause illness in a humans.

3 0

2 years ago