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3 years ago

PLZZZZZ help ASAP!!!!!!! THANK YOU. :) i need all 3 and thank you again!

Chemistry

2 answers:

Allisa [31]3 years ago

8 0

A.Transform
B.Divergent
C. Convergent

nasty-shy [4]3 years ago

3 0

I agree with the person on top have a beautiful day :)

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A student conducts an experiment with a steel wool pad, which is comprised of iron. The student washes the steel wool in vinegar

Ksju [112]

B. A chemical change has occurred and energy was given off

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3 years ago

You are in charge of inflating balloons for a parade. When you inflate the balloons in the morning, It will be 15 degrees Celsiu

tatiyna

Answer:

so you answer would be B

Explanation:

well what you would do is add 15+25=40 and what they are asking is whay are the degrees in the balloon so you would have B as your answer

hoped i helped have a great weekend

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3 years ago

Determine the approximate amount of potassium hydrogen phthalate, KHP, that you will need to neutralize 6.00 ml of 0.100 M NaOH.

Sveta_85 [38]

Answer:

potassium hydrogen phthalate KHP MOLAR MASS = 204.233 glmol

to get 1000 ml

Molar concentration = Mass concentration/Molar Mass

mass concentration = molar concentration x molar mass

mass concentration=0.1 M,

molar mass= 204.233 g/mol

so to get 1L

mass conc = 204.233 x 0.1

= 20.4233g for 1L or 1000 ml

to get 6.00 ml

if 20.4233g is for 1000ml

then to 6.00 ml

= 20.4233 x 6 / 1000

= 0.123g for 6.00 ml

according to the equation below

NaOH(aq) + KHC8H4O4(aq) --> KNaC8H4O4(aq) + H2O(l)

number of moles of NaOH is equal to that of KHP

so the same amount will be needed too, which is

= 0.123g

6 0

3 years ago

What is the main type of weathering in deserts? weathering by organic acids chemical weathering physical weathering

Solnce55 [7]

Answer:

chemical

Explanation:

Chemical weathering, which is the decomposition of a rock by the alteration of its chemical composition.

5 0

3 years ago

3.0 cm x 4.0 cm x 1.0 cm [?]cm^3

CaHeK987 [17]

Explanation:

Hi there!!

you asked to multiply these all right,

you can simply multiply it ,

=3cm × 4 cm × 1cm

= 12cm^2×1cm (4×3=12)

= 12cm^3 (12×1=12)

Therefore, theanswer is 12 cm^3.

Hope it helps..

4 0

3 years ago