Answer:
Single-celled fungi are known as yeasts. Around 1,500 species of fungi are recognised as yeasts.
Explanation:
Hope this helps
Answer/Explanation:
Single-celled fungi are known as yeasts.
Most fungi are multicellular organisms. They display two distinct morphological stages vegetative and reproductive.
For a reaction, AH = 198 kJ. For which value of TA Sis the reaction spontaneous?
Answer:
ah+j
Explanation:
An object of mass 800g hangs on a spring.Calculate the force exerted by the object if acceleration due to gravity is 10meters per second square
The force exerted : 8 N
Further explanationGiven
mass = 800 g
Acceleration = 10 m/s²
Required
The force exerted
Solution
Newton's 2nd law explains that the acceleration produced by the resultant force on an object is proportional and in line with the resultant force and inversely proportional to the mass of the object
∑F = m. a
[tex]\large {\boxed {\bold {a = \frac {\sum F} {m}}}[/tex]
F = force, N
m = mass = kg
a = acceleration due to gravity, m / s²
Input the value :
F = 0.8 kg x 10 m/s²
F = 8 N
Shape, color, texture, size, are examples of
A. Physical properties
B. Elements
C. Chemical properties
D. Matter
Two plastic containers are washed in a dishwasher. One keeps its shape and the other becomes deformed.
Identify and compare the property of the plastic containers demonstrated in this example.
Describe the structure of the polymers that affect this property.
Enter your answer in the space below
PLEASE HELP ASAP!!!
Answer:
Polymers are used in everything from nylon stockings to commercial aircraft to artificial heart valves, and they have a key role in addressing international competitiveness and other national issues.
Polymer Science and Engineering explores the universe of polymers, describing their properties and wide-ranging potential, and presents the state of the science, with a hard look at downward trends in research support. Leading experts offer findings, recommendations, and research directions. Lively vignettes provide snapshots of polymers in everyday applications.
The volume includes an overview of the use of polymers in such fields as medicine and biotechnology, information and communication, housing and construction, energy and transportation, national defense, and environmental protection. The committee looks at the various classes of polymers—plastics, fibers, composites, and other materials, as well as polymers used as membranes and coatings—and how their composition and specific methods of processing result in unparalleled usefulness.
Given 5 Moles of H20. how many moles of O, are produced. Use the following Equation
2H2+O2->2H2O
Moles O2 required : 2.5
Further explanationGiven
Reaction
2H2+O2->2H2O
Required
Moles of O2
Solution
The reaction coefficient in a chemical equation shows the mole ratio of the reacting compounds (reactants or products)
From the equation, mol ratio of H2O : O2 = 2 : 1, so moles O2 :
= 1/2 x mol H2O
= 1/2 x 5 moles
= 2.5 moles
Why will a car exhaust pipe will rust much faster if the car is in
constant use.
Answer:
"The two main reasons are water and heat. Water vapour condenses in your exhaust when it cools. ... Water is also constantly splashed on it when driving in the rain or on wet roads. But the reason it rusts faster than other exposed parts is due to heat."
Explanation:
Brainliest?
1. Look up bromine on the periodic table. What is the most common isotope of bromine?
Answer:
The most common isotope is Bromine-79.
Explanation:
What is the density of an object that has a mass of 45g and a volume of 9mL?
ASAP!!
Answer:
312140 LB/CU FT
Explanation:
MULTIPLY
An element has an average atomic mass of 1.008 amu. It consists of two isotopes , one having a mass of 1.007 amu, and one having a mass of 2.014 amu. The isotope that is most abundant is:
Answer:
The most abundant isotope is 1.007 amu.
Explanation:
Given data:
Average atomic mass = 1.008 amu
Mass of first isotope = 1.007 amu
Mass of 2nd isotope = 2.014 amu
Most abundant isotope = ?
Solution:
First of all we will set the fraction for both isotopes
X for the isotopes having mass 2.014 amu
1-x for isotopes having mass 1.007 amu
The average atomic mass is 1.008 amu
we will use the following equation,
2.014x + 1.007 (1-x) = 1.008
2.014x + 1.007 - 1.007 x = 1.008
2.014x - 1.007x = 1.008 - 1.007
1.007 x = 0.001
x= 0.001/ 1.007
x= 0.0009
0.0009 × 100 = 0.09 %
0.09 % is abundance of isotope having mass 2.014 amu because we solve the fraction x.
now we will calculate the abundance of second isotope.
(1-x)
1-0.0009 = 0.9991
0.9991 × 100= 99.91%
Tablets taken by patients suffering from anaemia contain 0.2g of iron sulfate (FeSO4). Calculate the relative formula mass of iron sulfate. Give your answer to the nearest whole number.
Answer:
152g
Explanation:
The compound given here is iron sulfate and it is represented as;
FeSO₄
The relative formula mass of the compound is determine by the addition of its component atomic masses and them expressed in grams
Atomic mass of Fe = 55.845
S = 32.065
O = 15.994
So;
Relative formula mass = 55.845 + 32.065 + 4(15.994) = 151.886g
Therefore, solution is 152g
Answer: 152
Explanation:
How many grams of water are produced from 0.198 grams of nitric acid?
2HNO3+Mg(OH2) = Mg(NO3)2+2H2O
Answer:
2+2H2O.We already learn it
what is one of the most common elements in living things.
In a modern periodic table the element are arranged in order of increasing
Answer:
what are you asking?
Explanation:
How does the theory of plate tectonics explain the movement of the continents and changes to Earth’s surface such as volcanic eruption, earthquakes and mountain building?
What are groups on the periodic table? How many are there?
Explanation:
Groups are numbered 1–18 from left to right. The elements in group 1 are known as the alkali metals; those in group 2 are the alkaline earth metals; those in 15 are the pnictogens; those in 16 are the chalcogens; those in 17 are the halogens; and those in 18 are the noble gases.
Answer:
The s-, p-, and d-block elements of the periodic table are arranged into 18 numbered columns, or groups.
If ice is added to a large fish tank and a small fish bowl, both at the same termperature, the large fish tank's water will cool faster because there is more water.
TRUE OR FALSE
Answer: False
Explanation:
When a object is touching a surface, it mostly likely will change the temperature it's on, depending on how it is. Since they both have different temperatures and cooling down at the same particularity rates, it is highly false that this would happen. What WOULD would the bowl cool faster THAN the water, then the ice will transform into water.
Hope this helps and make sure to thank me!
How many atoms are in a 158.69 g sample of nickel?
1.6283 × 10²⁴ atoms Ni
General Formulas and Concepts:Math
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightChemistry
Atomic Structure
Reading a Periodic TableAvogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.Stoichiometry
Use Dimensional AnalysisExplanation:Step 1: Define
158.69 g Ni
Step 2: Identify Conversions
Avogadro's Number
Molar Mass of Ni - 58.69 g/mol
Step 3: Convert
Set up: [tex]\displaystyle 158.69 \ g \ Ni(\frac{1 \ mol \ Ni}{58.69 \ g \ Ni})(\frac{6.022 \cdot 10^{23} \ atoms \ Ni}{1 \ mol \ Ni})[/tex]Multiply/Divide: [tex]\displaystyle 1.62827 \cdot 10^{24} \ atoms \ Ni[/tex]Step 4: Check
Follow sig fig rules and round. We are given 5 sig figs.
1.62827 × 10²⁴ atoms Ni ≈ 1.6283 × 10²⁴ atoms Ni
What happens to the energy when you heat the iron? Why is this happening?
Answer:
When iron is heated in air it reacts with oxygen to form the compound iron oxide. Iron is a solid and oxygen is a gas. 5 Draw diagrams to show how the atoms are arranged in iron, oxygen and iron oxide in the circles below their names. Use different colours for the iron atoms and the oxygen atoms.
Explanation:
Which of the following is an example of the reflection of waves?
A)getting a sunburn
B)Your image in a mirror
C)light through the sunroof of a car
D)The movement of a sailboat
Answer:
C
Explanation:
The law of reflection says that for specular reflection the angle at which the wave is incident on the surface equals the angle at which it is reflected.
Calculate the energy of light with a frequency of 5.21 x 104 Hz
Answer:
3.45*10^-29
Explanation:
E=hv
h is Planck's constant and v is the frequency (which was given to us)
E=6.626*10^-34 * 5.21*10^4
E=3.452146*10^-29
Which of these elements has the highest first ionization energy
A) oxygen
B) beryllium
C) fluorine
D) carbon
E) boron
SrBr2 lewis structure
Answer:
Okay?.......................
How many moles of Fe2O3 were used to produce with 11.5 moles of CO2 ?
Moles of Fe2O3 used : 3.83
Further explanationGiven
11.5 moles of CO2
Required
moles of Fe2O3
Solution
Reaction
Fe2O3 + 3CO ⇒2Fe + 3CO2
The reaction coefficient shows the mole ratio of the reacting compound (reactants or products)
From the equation, mol ratio of Fe2O3 : CO2 = 1 : 3, so mol Fe2O3 :
= 1/3 x moles CO2
= 1/3 x 11.5
= 3.83 moles
Which of the following equations is correctly balanced? UO2(s)+4HF(l)→UF4(s)+H2O(l) NCl3(g)+3H2O(l)→NH3(g)+HClO(aq) 4NH3(g)+3O2(g)→2N2(g)+3H2O(g) 4PH3(g)+8O2(g)→P4O10(s)+6H2O(g)
Answer:
4PH3(g)+8O2(g)→P4O10(s)+6H2O(g)
A 2.8-kg pile of aluminum (rho = 2.70 g/cm3) cans is melted, then cooled into a solid cube. What is the volume of the cube?
Answer:
Explanation:
mass of aluminum 2.8 kg = 2.8 x 1000 = 2800 g
ρ = density of aluminum given = 2.7 g / cm³
density = mass / volume
volume = mass / density
= 2800 / 2.7
= 1037 cm³
So volume of cube required = 1037 cm³.
how many grams are in 8.00 moles of magnesium
i’ll give Brainliest please answer also i know this isn’t chemistry but brainly doesn’t have science
the answer would be iron. divide mass by volume to get density.
Answer:
B. Iron
Explanation:
Correct
A barometer is a tool that scientists use to measure dew point , rainfall amounts, temperature, air pressure helppppp
Answer:
All of that is correct i am confused on what u are asking us to answer
Explanation:
Answer:
A barometer measures atmospheric/ air pressure ( D)
Explanation: I researched this topic prior to answering the following question.
If extinction is a normal part of ecosystems, and mass extinctions have happened before, why should humans be concerned about the rising extinction rate? What do current extinctions tell us about our impact on modern environments?
Answer:
we're terrible at keeping the earth clean and we know that lol
Explanation:
idrk
Humans should be concerned about the rising extinction rate as this accelerated rate prevents ecosystems from recovering or other species from filling voids in the food chain.
What is extinction?Extinction is the final phase of a sort of creature or a taxon—typically a species. Although the ability to reproduce and bounce back may have been lost earlier, the death of the last member of the species is typically considered to have been the moment of extinction.
Determining this point is challenging because a species' dynamic value may be quite wide, and is typically done after the fact. Due to this problem, there are phenomena like Lazarus taxa, in which a species that was thought to be extinct suddenly "reappears" after a duration of apparent absence. If extinction is a normal part of ecosystems, and mass extinctions have happened before, humans should be concerned about the rising extinction rate as this accelerated rate prevents ecosystems from recovering or other species from filling voids in the food chain.
Therefore, humans should be concerned about the rising extinction rate as this accelerated rate prevents ecosystems from recovering or other species from filling voids in the food chain.
To know more about extinction, here:
https://brainly.com/question/11872946
#SPJ7
Which graph above shows an object’s acceleration? 1pt
a or b
and why did you choose the graph
Answer:
A. because the graph is moving uo