100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Straighterline Chemistry Final Questions & answers $7.99   Add to cart

Exam (elaborations)

Straighterline Chemistry Final Questions & answers

 33 views  0 purchase
  • Course
  • Straighterline is the term us
  • Institution
  • Straighterline Is The Term Us

Straighterline Chemistry Final What is the term used for findings that are summarized based on a pattern or trend? a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - CORRECT ANSWER-a. Law Which of the following is a tentative explanation for a set of observations? Select one: a. ...

[Show more]

Preview 4 out of 55  pages

  • April 14, 2024
  • 55
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
  • Straighterline is the term us
  • Straighterline is the term us
avatar-seller
Hkane
Straighterline
Chemistry
Final
What
is
the
term
used
for
findings
that
are
summarized
based
on
a
pattern
or
trend?
a.
Law
b.
Hypothesis
c.
Theory
d.
Phenomena
e.
Prediction
-
CORRECT
ANSWER-a.
Law
Which
of
the
following
is
a
tentative
explanation
for
a
set
of
observations?
Select
one:
a.
Law
b.
Hypothesis
c.
Theory
d.
Phenomena
e.
Prediction
-
CORRECT
ANSWER-b.
Hypothesis
If
a
liquid
contains
60%
sugar
and
40%
water
throughout
its
composition
then
what
is
it
called?
Select
one:
a.
Solute
b.
Compound
c.
Homogeneous
mixture
d.
Heterogeneous
mixture
e.
Solvent
-
CORRECT
ANSWER-c.
Homogeneous
mixture
Which
of
the
following
does
not
have
a
uniform
composition
throughout?
Select
one:
a.
Element
b.
Compound
c.
Homogeneous
mixture
d.
Heterogeneous
mixture
e.
Solvent
-
CORRECT
ANSWER-d.
Heterogeneous
mixture
Which
one
of
these
represents
a
physical
change? Select
one:
a.
Water,
when
heated,
forms
steam.
b.
Bleach
turns
hair
yellow.
c.
Sugar,
when
heated,
becomes
brown.
d.
Milk
turns
sour.
e.
Apples,
when
exposed
to
air,
turn
brown.
-
CORRECT
ANSWER-a.
Water,
when
heated,
forms
steam.
How
many
micrograms
are
in
65.3
kg?
Select
one:
a.
0.653
μ
g
b.
6.53
×
107
μ
g
c.
6.53
×
104
μ
g
d.
6.53
×
10-8
μ
g
e.
6.53
×
1010
μ
g
-
CORRECT
ANSWER-e.
6.53
×
1010
μ
g
A
smart
phone
has
dimensions
of
4.9
inches
(height),
2.3
inches
(width)
and
8.0
millimeters
(depth).
What
is
the
volume
of
the
smart
phone
in
cubic
centimeters?
(1
in
=
2.54
cm)
Select
one:
a.
58
cm3
b.
1.7
x
105
cm3
c.
90
cm3
d.
3.4
cm3
e.
34
cm3
-
CORRECT
ANSWER-a.
58
cm3
Given
that
1
inch
=
2.54
cm,
1.00
cm3
is
equal
to
Select
one:
a.
16.4
in3
b.
6.45
in3
c.
0.394
in3
d.
0.155
in3
e.
0.0610
in3
-
CORRECT
ANSWER-e.
0.0610
in3
What
terms
defines
a
mass
which
is
exactly
equal
to
1/12
the
mass
of
one
carbon-12
atom? Select
one:
a.
Isotope
number
b.
Mass
number
c.
Mass-to-charge
ratio
d.
Atomic
number
e.
Atomic
mass
unit
-
CORRECT
ANSWER-e.
Atomic
mass
unit
How
many
neutrons
are
there
in
an
atom
of
lead
whose
mass
number
is
208?
Select
one:
a.
82
b.
126
c.
208
d.
290
e.
none
of
them
-
CORRECT
ANSWER-b.
126
Which
of
these
elements
is
chemically
similar
to
magnesium?
Select
one:
a.
Sulfur
b.
Calcium
c.
Iron
d.
Nickel
e.
Potassium
-
CORRECT
ANSWER-b.
Calcium
C(graphite)
and
C(diamond)
are
examples
of:
Select
one:
a.
isotopes
of
carbon.
b.
allotropes
of
carbon.
c.
the
law
of
definite
proportions.
d.
different
carbon
ions.
-
CORRECT
ANSWER-b.
allotropes
of
carbon.
The
80Br-
ion
has
Select
one:
a.
45
protons,
35
neutrons,
45
electrons. b.
35
protons,
45
neutrons,
34
electrons.
c.
35
protons,
45
neutrons,
36
electrons.
d.
45
protons,
35
neutrons,
46
electrons.
e.
35
protons,
45
neutrons,
46
electrons.
-
CORRECT
ANSWER-e.
35
protons,
45
neutrons,
46
electrons.
The
formula
for
sodium
sulfide
is
Select
one:
a.
NaS
b.
K2S
c.
NaS2
d.
Na2S
e.
SeS
-
CORRECT
ANSWER-d.
Na2S
Which
one
of
the
following
formulas
of
ionic
compounds
is
the
least
likely
to
be
correct?
Select
one:
a.
NH4Cl
b.
Ba(OH)2
c.
Na2SO4
d.
Ca2NO3
e.
Cu(CN)2
-
CORRECT
ANSWER-d.
Ca2NO3
What
is
the
name
of
ClO
-
ion?
Select
one:
a.
hypochlorite
b.
chlorate
c.
chlorite
d.
perchlorate
e.
perchlorite
-
CORRECT
ANSWER-a.
hypochlorite
Which
of
the
following
is
a
molecular
formula
for
a
compound
with
an
empirical
formula
of
CH?
Select
one:
a.
C2H6
b.
C3H9
c.
C4H10

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller Hkane. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $7.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

81989 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$7.99
  • (0)
  Add to cart